TRI CONTINENTAL CORP
N-23C-1, 1997-06-09
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                       SECURITIES AND EXCHANGE COMMISSION
                                  FORM N-23C-1 

                       STATEMENT BY REGISTERED CLOSED-END
            INVESTMENT COMPANY WITH RESPECT TO PURCHASES OF ITS OWN
       SECURITIES PURSUANT TO RULE N-23C-1 DURING THE LAST CALENDAR MONTH

              REPORT FOR CALENDAR MONTH ENDING: MAY 31, 1997
 
                          TRI-CONTINENTAL CORPORATION


                                                              APPROXIMATE ASSET
DATE OF                            NUMBER OF      PRICE       VALUE PER SHARE
EACH           INDENTIFICATION     SHARES         PER         AT TIME OF   
TRANSACTION    OF SECURITY         PURCHASED      SHARE       PURCHASE

5/7/97         COMMON STOCK        33,902         $25.50         $31.57
5/14/97             -DO-           43,533          26.50          32.39
5/15/97             -DO-            8,472          26.625         32.52
5/21/97             -DO-           21,546          26.25          32.42
5/28/97             -DO-           22,213          26.625         32.79

SEE ATTACHED TABLE FOR NAME OF SELLER OR OF SELLERS'S BROKER.          
 
<TABLE>
                                                                                                                                 
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/07/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
<S>                                                              <C>             <C>                  <C>                         
  4101750004                                                     67.186          25.500               1,713.24                    
  MARY ANN WOLKOMIR GDN                                                                                                           
  FBO DANIEL WOLKOMIR                                                                                                             
  15035 POMONA ROAD                                                                                                               
  BROOKFIELD, WI 53005-3612                                                                                                       
  4108930002                                                    262.486          25.500               6,693.39                    
  JAN B SUCHY                                                                                                                     
  105 BEMIS RD                                                                                                                    
  HOLYOKE, MA 01040-1266                                                                                                          
  4150870006                                                      2.478          25.500                  63.19                    
  LINDA S GRANATA &                                                                                                               
  GARY M GRANATA JT TEN                                                                                                           
  2370 RAJEL AVE                                                                                                                  
  SAFETY HARBOR, FL 34695-2122                                                                                                    
  4151720006                                                    100.000          25.500               2,550.00                    
  CHARLENE B LITTLE                                                                                                               
  P O BOX 1930                                                                                                                    
  KERNVILLE, CA 93238-1930                                                                                                        
  4151780003                                                  3,921.569          25.500             100,000.00                    
  CEDAR RIDGE OIL & GAS INC                                                                                                       
  426 SOUTH 1000 EAST  STE#303                                                                                                    
  SALT LAKE CITY, UT 84102                                                                                                        
  4176540001                                                    215.000          25.500               5,482.50                    
  DOLORES H LEVY                                                                                                                  
  6939 CANAL BLVD                                                                                                                 
  NEW ORLEANS, LA 70124-3407                                                                                                      
  5169910007                                                  1,000.000          25.500              25,500.00                    
  HARRY R GORGE JR &                                                                                                              
  NELLIE C GORGE TEN ENT                                                                                                          
  7608 OLD BATTLE GROVE RD                                                                                                        
  BALTIMORE, MD 21222-3507                                                                                                        
  5655070001                                                  4,291.471          25.500             109,432.51                    
  LARK WALLWORK                                                                                                                   
  P O BOX 973                                                                                                                     
  FAR HILLS, NJ 07931-0973                                                                                                        
  5719260014                                                     62.706          25.500               1,599.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  CARROLL R MARKIVEE                                                                                                              
  ROLLOVER ACCOUNT                                                                                                                
  71 CEDAR RIDGE                                                                                                                  
  EUREKA, MO 63025-3526                                                                                                           
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/07/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  5860980006                                                     85.417          25.500               2,178.13                    
  BETSY ROSEN CUST                                                                                                                
  PAUL ERIK ROSEN                                                                                                                 
  UNIF GIFT MIN ACT WI                                                                                                            
  505 SOUTH 7TH APT B                                                                                                             
  SAN JOSE, CA 95112                                                                                                              
  5861980004                                                    768.677          25.500              19,601.26                    
  WILLIAM PEQUINOT                                                                                                                
  357 KENDRY DRIVE                                                                                                                
  BLOOMFIELD HILLS, MI 48302-0442                                                                                                 
  5864440002                                                    196.078          25.500               5,000.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  BARBARA BRIEN                                                                                                                   
  16 PARMENTER ROAD                                                                                                               
  WAYLAND, MA 01778-2014                                                                                                          
  5963310009                                                     97.041          25.500               2,474.55                    
  JOSEPHINE LEIGH SMITH                                                                                                           
  8702 VILLAGE DR #808                                                                                                            
  SAN ANTONIO, TX 78217-5407                                                                                                      
  5981500001                                                      1.143          25.500                  29.15                    
  DIANE CHARLOTTE BRESLER                                                                                                         
  42 HERZL STREET                                                                                                                 
  RAMAT GAN                                                                                                                       
  ISRAEL                                                                                                                          
  6003750000                                                     86.945          25.500               2,217.10                    
  JERRY A BERGMAN CUST                                                                                                            
  JASON W BERGMAN                                                                                                                 
  UNIF GIFT MIN ACT NY                                                                                                            
  4 HUGHES LANE                                                                                                                   
  CHAPPAQUA, NY 10514-3014                                                                                                        
  6052370007                                                    172.549          25.500               4,400.00                    
  LINDA M YOUNG CUST                                                                                                              
  MICHAEL MACKAMAN YOUNG                                                                                                          
  UNIF GIFT MIN ACT                                                                                                               
  5127 KLAHANIE CT                                                                                                                
  OLYMPIA, WA 98502-3632                                                                                                          
  6069890002                                                    450.980          25.500              11,500.00                    
  ROBERT C KENAN JR                                                                                                               
  248 WOODLAND DR                                                                                                                 
  KITTY HAWK, NC 27949-3300                                                                                                       
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/07/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  6526310003                                                    172.588          25.500               4,400.99                    
  STEPHEN L MILLER                                                                                                                
  6000 RIVER RD                                                                                                                   
  SHREVEPORT, LA 71105-4731                                                                                                       
  6535960007                                                     78.431          25.500               2,000.00                    
  LYNDAL C GRIEB                                                                                                                  
  188 S MC LEAN #13                                                                                                               
  MEMPHIS, TN 38104-6149                                                                                                          
  6536600001                                                    307.257          25.500               7,835.05                    
  PAUL R BEAUMONT &                                                                                                               
  SHIRLEY BEAUMONT JT TEN                                                                                                         
  40 ROLLINGWOOD DR                                                                                                               
  ROCHESTER, NY 14616-1512                                                                                                        
  6573630008                                                    980.392          25.500              25,000.00                    
  BRADLEY FITCH SMITH                                                                                                             
  2240 CARRIAGE DRIVE LPR                                                                                                         
  ESTES PARK, CO 80517-7105                                                                                                       
  6584600001                                                     32.909          25.500                 839.18                    
  AMY ZUCKER THARP                                                                                                                
  2031 BURCH ST                                                                                                                   
  INDIANAPOLIS, IN 46220-2109                                                                                                     
  6633000011                                                      9.056          25.500                 230.94                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  PHILIP W SCHNEIDER                                                                                                              
  5307 W WRIGHTWOOD AVE                                                                                                           
  CHICAGO, IL 60639-1523                                                                                                          
  6670130007                                                    785.484          25.500              20,029.83                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  DORIS LANTZ                                                                                                                     
  CHARTER HOUSE                                                                                                                   
  211 2ND ST NW APT 1308                                                                                                          
  ROCHESTER, MN 55901-2897                                                                                                        
  6678890019                                                    217.242          25.500               5,539.68                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  DORIS LANTZ                                                                                                                     
  CHARTER HOUSE                                                                                                                   
  211 2ND ST NW APT 1308                                                                                                          
  ROCHESTER, MN 55901-2897                                                                                                        
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/07/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  6679240005                                                  1,135.648          25.500              28,959.02                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  CHARLES C POHLE                                                                                                                 
  8024 WATKINS                                                                                                                    
  CLAYTON, MO 63105-2517                                                                                                          
  6689630002                                                      1.133          25.500                  28.89                    
  LEO E OLBERTS JR                                                                                                                
  923 NORTH MONROE                                                                                                                
  LITTLE ROCK, AR 72205-1940                                                                                                      
  6690120007                                                    117.647          25.500               3,000.00                    
  LYLE R BEMIS CUST                                                                                                               
  CHRISTINA ELLEN BEMIS                                                                                                           
  UNIF GIFT MIN ACT IL                                                                                                            
  2722 HIGHWAY 17                                                                                                                 
  PHELPS, WI 54554                                                                                                                
  6743080011                                                  1,721.229          25.500              43,891.34                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  MARILYN KAY MUMAW                                                                                                               
  752 WRIGHT LANE                                                                                                                 
  MARSHALL, MI 49068-9612                                                                                                         
  6790970006                                                    384.775          25.500               9,811.76                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  RICHARD HILLER                                                                                                                  
  C/O ALFRED E HILLER,  POA                                                                                                       
  3533 RIDGEWAY DRIVE                                                                                                             
  MATAIRIE, LA 70002-1953                                                                                                         
  6801120000                                                     35.294          25.500                 900.00                    
  EVELYN T SEABROOK TR                                                                                                            
  UA 2-14-85                                                                                                                      
  FBO TROUT FAMILY TRUST                                                                                                          
  462 ALLOWAY ALDINE RD                                                                                                           
  ELMER, NJ 08318-2921                                                                                                            
  6814590004                                                    388.967          25.500               9,918.66                    
  DANIEL MARK HODGKISS TR UA 8-1-77                                                                                               
  FBO DANIEL MARK HODGKISS TRUST                                                                                                  
  P O BOX 458                                                                                                                     
  SARATOGA, WY 82331-0458                                                                                                         
  6868470005                                                     58.564          25.500               1,493.38                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  RAISA COHEN                                                                                                                     
  ROLLOVER ACCOUNT                                                                                                                
  6037 POINTE REGAL CIRCLE APT #101                                                                                               
  DELRAY BEACH, FL 33484-1814                                                                                                     
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/07/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  6894130003                                                    600.000          25.500              15,300.00                    
  NORBERT J SCHENKEL CUST                                                                                                         
  KIRSTIN M SCHENKEL                                                                                                              
  UNIF GIFT MIN ACT IN                                                                                                            
  520 SO CALHOUN ST                                                                                                               
  FORT WAYNE, IN 46802-1214                                                                                                       
  6918400003                                                      9.204          25.500                 234.70                    
  ISABEL M POMEROY TR UA 9/24/84                                                                                                  
  FBO LOUIS EUGENE POMEROY &                                                                                                      
  ISABEL M POMEROY TRUST                                                                                                          
  179 BRIARCLIFF DR LAUREL PARK                                                                                                   
  HENDERSONVILLE, NC 28739-8932                                                                                                   
  6932160004                                                  4,931.982          25.500             125,765.54                    
  LYRIC WALLWORK WINIK                                                                                                            
  4628 HUNT AVE                                                                                                                   
  CHEVY CHASE, MD 20815-5425                                                                                                      
  6951400004                                                    100.000          25.500               2,550.00                    
  BADONA REELE CUST                                                                                                               
  MAX HARRY REELE                                                                                                                 
  UNIF TRANS MIN ACT NJ                                                                                                           
  226 24TH AVE                                                                                                                    
  SOUTH SEASIDE PARK, NJ 08752-2140                                                                                               
  8693962894                                                    612.054          25.500              15,607.38                    
  PAUL ERIK ROSEN                                                                                                                 
  505 SOUTH 7TH APT B                                                                                                             
  SAN JOSE, CA 95112                                                                                                              
  8694002162                                                    196.078          25.500               5,000.00                    
  JAMES S OGLESBY                                                                                                                 
  3817 BELLAIRE DR SOUTH                                                                                                          
  FT WORTH, TX 76109-2138                                                                                                         
  8694004419                                                     14.000          25.500                 357.00                    
  DAVID M REIFERT                                                                                                                 
  BOX 122                                                                                                                         
  CAMDEN, IN 46917-0122                                                                                                           
  8694049309                                                      1.127          25.500                  28.74                    
  MAMIE MOORE LAND                                                                                                                
  C/O MARGARET OLBERTS                                                                                                            
  923 N MONROE ST                                                                                                                 
  LITTLE ROCK, AR 72205                                                                                                           
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/07/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8694080185                                                      1.594          25.500                  40.65                    
  IONE PATTEY &                                                                                                                   
  RUBEN A MESSAYEH JT TEN                                                                                                         
  C/O MARY ELLEN DALTON, EX EST                                                                                                   
  1664 SHEEPSHEAD BAY ROAD                                                                                                        
  BROOKLYN, NY 11235                                                                                                              
  8694217001                                                    490.927          25.500              12,518.64                    
  ANNA G SMITH                                                                                                                    
  2500 N GRANADA ST                                                                                                               
  ARLINGTON, VA 22207-1739                                                                                                        
  8694270906                                                    800.000          25.500              20,400.00                    
  BRETT ROBERT PEARSONS                                                                                                           
  14641 HARTSOOK ST                                                                                                               
  SHERMAN OAKS, CA 91403-1406                                                                                                     
  8694422734                                                      5.882          25.500                 150.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  THE J & W SELIGMAN & CO., INC                                                                                                   
  MATCHED ACCUMULATION PLAN                                                                                                       
  ATTN: PENSION PLAN SERVICES                                                                                                     
  100 PARK AVE 2ND FL                                                                                                             
  NEW YORK, NY 10017-5516                                                                                                         
  8694464467                                                    764.844          25.500              19,503.52                    
  MARTIN D ROSMAN TR UA 5-10-93                                                                                                   
  FBO MARTIN D ROSMAN REV TRUST                                                                                                   
  736 KEY ROUTE BLVD                                                                                                              
  ALBANY, CA 94706-1715                                                                                                           
  8694466367                                                     78.431          25.500               2,000.00                    
  DALE KENNETH HOFFMANN                                                                                                           
  1902 DREES DRIVE                                                                                                                
  GRAND FORKS, ND 58201                                                                                                           
  8694526999                                                    300.000          25.500               7,650.00                    
  EARL J MC CART &                                                                                                                
  PAULINE MC CART TR UA 10/5/93                                                                                                   
  FBO EARL J MC CART &                                                                                                            
  PAULINE MC CART TRUST                                                                                                           
  1905 SO ELMWOOD AVE                                                                                                             
  SIOUX FALLS, SD 57105-2319                                                                                                      
  8694639546                                                    480.000          25.500              12,240.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  PHYLLIS D IKARD                                                                                                                 
  901 WEST WILL ROGERS DRIVE                                                                                                      
  STILLWATER, OK 74075-2732                                                                                                       
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/07/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8694639591                                                    450.000          25.500              11,475.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  THOMAS E IKARD                                                                                                                  
  901 WEST WILL ROGERS DRIVE                                                                                                      
  STILLWATER, OK 74075-2732                                                                                                       
  8694639662                                                    352.941          25.500               9,000.00                    
  ELEANOR D GARNETT                                                                                                               
  1248 PORTLAND ROAD                                                                                                              
  ARUNDEL, ME 04046-8104                                                                                                          
  8694692540                                                    100.000          25.500               2,550.00                    
  TULA J CRUMPTON CUST                                                                                                            
  LAURA J CRUMPTON                                                                                                                
  UNIF TRAN MIN ACT-NC                                                                                                            
  1400 PENNROSE DRIVE                                                                                                             
  REIDSVILLE, NC 27320-5555                                                                                                       
  8695980780                                                    100.000          25.500               2,550.00                    
  JOHN A OBRIEN                                                                                                                   
  21 SIMON LANE                                                                                                                   
  LATHAM, NY 12110-5008                                                                                                           
  8696095548                                                    400.000          25.500              10,200.00                    
  PHYLLIS IKARD TR UA 07/25/95                                                                                                    
  FBO THE BERRY C RIST TEST TRUST                                                                                                 
  901 W WILL ROGERS DR                                                                                                            
  STILLWATER, OK 74075-2732                                                                                                       
  8696188902                                                    391.373          25.500               9,980.00                    
  E D R LTD PARTNERSHIP                                                                                                           
  3977 SHENANDOAH DRIVE                                                                                                           
  OCEANSIDE, CA 92056                                                                                                             
  8696196591                                                    301.427          25.500               7,686.39                    
  THELMA G MARTIN TR UA 1-31-96                                                                                                   
  FBO THELMA G MARTIN REV TRUST                                                                                                   
  3747 PEACHTREE ROAD NE                                                                                                          
  APT 1402                                                                                                                        
  ATLANTA, GA 30319                                                                                                               
  8696231017                                                    783.529          25.500              19,980.00                    
  E D R LTD PARTNERSHIP                                                                                                           
  3977 SHENANDOAH DRIVE                                                                                                           
  OCEANSIDE, CA 92056                                                                                                             
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/07/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8696347474                                                    190.186          25.500               4,849.74                    
  ROBERT CALLAWAY                                                                                                                 
  C/O JAMES ROBERT CALLAWAY P O A                                                                                                 
  3808 SANDIA DR                                                                                                                  
  PLANO, TX 75023                                                                                                                 
  8696515559                                                    392.353          25.500              10,005.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  SUSAN A STUTZMAN                                                                                                                
  2827 45TH AVE SE                                                                                                                
  OLYMPIA, WA 98501                                                                                                               
  8696515559                                                    147.059          25.500               3,750.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  SUSAN A STUTZMAN                                                                                                                
  2827 45TH AVE SE                                                                                                                
  OLYMPIA, WA 98501                                                                                                               
  8696515559                                                     49.020          25.500               1,250.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  SUSAN A STUTZMAN                                                                                                                
  2827 45TH AVE SE                                                                                                                
  OLYMPIA, WA 98501                                                                                                               
  8696515559                                                     98.039          25.500               2,500.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  SUSAN A STUTZMAN                                                                                                                
  2827 45TH AVE SE                                                                                                                
  OLYMPIA, WA 98501                                                                                                               
  8696515559                                                     98.039          25.500               2,500.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  SUSAN A STUTZMAN                                                                                                                
  2827 45TH AVE SE                                                                                                                
  OLYMPIA, WA 98501                                                                                                               
  8696709519                                                    380.000          25.500               9,690.00                    
  THOMAS E IKARD &                                                                                                                
  PHYLLIS IKARD TR UA 02/13/97                                                                                                    
  FBO THE IKARD FAMILY TRUST                                                                                                      
  901 WEST WILL ROGERS DRIVE                                                                                                      
  STILLWATER, OK 74075-2732                                                                                                       
  8696750606                                                  1,500.000          25.500              38,250.00                    
  SHIRLEY BALDACCINI &                                                                                                            
  ROBERT W MAYO TR UA 6/3/88                                                                                                      
  FBO WILLIAM MAYO & RUTH MAYO TRUST                                                                                              
  1628 CENTER RD                                                                                                                  
  NOVATO, CA 94947-3936                                                                                                           
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/07/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8696769767                                                    173.645          25.500               4,427.95                    
  KAREN A PETITT &                                                                                                                
  HAL T HANSEN TR UA 3/9/92                                                                                                       
  FBO HELGE T HANSEN TRUST                                                                                                        
  2020 NORTH ADAMS                                                                                                                
  HUTCHINSON, KS 67502-2816                                                                                                       
  8696772209                                                    399.000          25.500              10,174.50                    
  IRENE WRIGHT TR UA 6-30-93                                                                                                      
  FBO CHARLES B PARIS &                                                                                                           
  MAZLE M PARIS TRUST                                                                                                             
  13311 EFFINGHAM STREET                                                                                                          
  AUSTIN, TX 78729-4501                                                                                                           
                                                      -----------------                       ----------------                    
                        PRICE DATE TOTALS                    33,901.076                             864,477.49                    
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/14/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  4101240002                                                     20.231          26.500                 536.12                    
  CATHERINE B SCHURR                                                                                                              
  627 LEYDEN LANE                                                                                                                 
  CLAREMONT, CA 91711-4236                                                                                                        
  4101870009                                                     69.222          26.500               1,834.38                    
  ELLIOT BREWER GROVER                                                                                                            
  207 LINCOLN ST                                                                                                                  
  KENNETT SQUARE, PA 19348-2811                                                                                                   
  4133020001                                                    100.000          26.500               2,650.00                    
  ISABEL S BURCHELL CUST                                                                                                          
  DAVID E BURCHELL                                                                                                                
  UNIF GIFT MIN ACT PA                                                                                                            
  215 BALLENTINE DR                                                                                                               
  NORTH HALEDON, NJ 07508-2405                                                                                                    
  4151780003                                                 12,338.361          26.500             326,966.57                    
  CEDAR RIDGE OIL & GAS INC                                                                                                       
  426 SOUTH 1000 EAST  STE#303                                                                                                    
  SALT LAKE CITY, UT 84102                                                                                                        
  4187810001                                                    137.868          26.500               3,653.50                    
  MAX I SPARBER                                                                                                                   
  101 S GULFSTREAM AVE APT 4A                                                                                                     
  SARASOTA, FL 34236-8917                                                                                                         
  4191630001                                                    175.000          26.500               4,637.50                    
  EDWARD J HAMPER &                                                                                                               
  JANICE E HAMPER JT TEN                                                                                                          
  9716 REED RD                                                                                                                    
  HAYDEN, ID 83835-9708                                                                                                           
  5002530000                                                  8,804.356          26.500             233,315.43                    
  CAMP HILLARD INC                                                                                                                
  PENSION TRUST PLAN                                                                                                              
  BOX 1226                                                                                                                        
  SCARSDALE, NY 10583-9226                                                                                                        
  5063430003                                                     78.116          26.500               2,070.07                    
  WILLIAM G BRENTON                                                                                                               
  142 BUTLER STREET                                                                                                               
  KINGSTON, PA 18704-5212                                                                                                         
  5171420006                                                      1.678          26.500                  44.47                    
  JOHN G GRACE CUST THOMAS                                                                                                        
  GRACE UNIF GIFT MIN ACT VA                                                                                                      
  52 WILLOW ST                                                                                                                    
  EAST BRAINTREE, MA 02184-3428                                                                                                   
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/14/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  5199720004                                                    305.209          26.500               8,088.04                    
  ALFRED H HICKS CUST MARIANNE R                                                                                                  
  HICKS UNIF GIFT MIN ACT N Y                                                                                                     
  30 CONCORD ST                                                                                                                   
  WESTBURY, NY 11590-2921                                                                                                         
  5441020016                                                     94.340          26.500               2,500.00                    
  LAURA ROSS VENNING                                                                                                              
  3106 CAROL WOODS                                                                                                                
  750 WEAVER DAIRY RD                                                                                                             
  CHAPEL HILL, NC 27514-1443                                                                                                      
  5473750006                                                     43.000          26.500               1,139.50                    
  MAURICE YOUNG                                                                                                                   
  32 CUTLER LANE                                                                                                                  
  CHESTNUT HILL, MA 02167-2804                                                                                                    
  5504320009                                                     12.195          26.500                 323.17                    
  CAMP HILLARD INC PENSION TR                                                                                                     
  PLAN DTD 4-1-64                                                                                                                 
  BOX 1226                                                                                                                        
  SCARSDALE, NY 10583-9226                                                                                                        
  5739380008                                                    100.000          26.500               2,650.00                    
  DOUGLAS A WENGEL CUST                                                                                                           
  DAVID M WENGEL                                                                                                                  
  UNIF GIFT MIN ACT NJ                                                                                                            
  489 HOLLOW ROAD                                                                                                                 
  SKILLMAN, NJ 08558-1023                                                                                                         
  5883820002                                                     33.322          26.500                 883.03                    
  ROBERT A BADENOCH CUST                                                                                                          
  ROBERT ARTHUR BADENOCH JR                                                                                                       
  UNIF GIFT MIN ACT NJ                                                                                                            
  7 MT PLEASANT ROAD                                                                                                              
  MORRISTOWN, NJ 07960                                                                                                            
  6084940001                                                    342.679          26.500               9,080.99                    
  MARILYN D COLLINS                                                                                                               
  134 E MAIN ST                                                                                                                   
  ALBION, IL 62806-1204                                                                                                           
  6098500003                                                    400.000          26.500              10,600.00                    
  CHRISTINE FARRELL TR UA 11-15-78                                                                                                
  FBO EDITH VINGER TRUST                                                                                                          
  13205 S E 339TH ST                                                                                                              
  AUBURN, WA 98092                                                                                                                
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/14/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  6551940009                                                    100.000          26.500               2,650.00                    
  RICHARD A MC GINNIS                                                                                                             
  P O BOX 9384                                                                                                                    
  WASHINGTON, DC 20005-0884                                                                                                       
  6564220003                                                     33.897          26.500                 898.27                    
  THOMAS W POPE CUST                                                                                                              
  ETHAN R POPE                                                                                                                    
  UNIF GIFT MIN ACT CA                                                                                                            
  5595 CHRISTMAS LAKE POINT                                                                                                       
  SHOREWOOD, MN 55331-9299                                                                                                        
  6564230001                                                     27.776          26.500                 736.06                    
  THOMAS W POPE CUST                                                                                                              
  NICHOLAS B POPE                                                                                                                 
  UNIF GIFT MIN ACT CA                                                                                                            
  5595 CHRISTMAS LAKE POINT                                                                                                       
  SHOREWOOD, MN 55331-9299                                                                                                        
  6572800004                                                    100.000          26.500               2,650.00                    
  MELANIE MALEWITZ                                                                                                                
  2403 CASTLEDALE DRIVE                                                                                                           
  AUSTIN, TX 78748-6107                                                                                                           
  6602140017                                                     60.000          26.500               1,590.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  MARY G DEVINNEY                                                                                                                 
  615 LAWSON AVENUE                                                                                                               
  HAVERTOWN, PA 19083-4107                                                                                                        
  6625060005                                                    609.864          26.500              16,161.40                    
  RALPH A OSBORN TR UA 3-2-72                                                                                                     
  FBO JEAN G OSBORN                                                                                                               
  18500 S E WOOD HAVEN LANE APT C                                                                                                 
  TEQUESTA, FL 33469                                                                                                              
  6678540004                                                    150.943          26.500               4,000.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  ROBERT G AXELRAD                                                                                                                
  581 INDIAN WELLS RD                                                                                                             
  BANNING, CA 92220-5307                                                                                                          
  6695770009                                                     18.868          26.500                 500.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  PATRICIA OGDEN                                                                                                                  
  128 HARROPS GLENN                                                                                                               
  WILLIAMSBURG, VA 23185-5599                                                                                                     
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/14/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  6696440007                                                     75.472          26.500               2,000.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  JOAN P OLDS                                                                                                                     
  2744 WOOD LANE                                                                                                                  
  BETTENDORF, IA 52722-4657                                                                                                       
  6697360001                                                    144.068          26.500               3,817.80                    
  JOHN R WAIT TR UA 12/1/67                                                                                                       
  MB JOHN R WAIT                                                                                                                  
  1003 FEARRINGTON POST                                                                                                           
  PITTSBORO, NC 27312                                                                                                             
  6711400002                                                      2.234          26.500                  59.20                    
  KATHRYN H ARNOLD                                                                                                                
  P O BOX 64448                                                                                                                   
  TUCSON, AZ 85728-4448                                                                                                           
  6711580004                                                    601.124          26.500              15,929.79                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  EDWIN A STAGGS                                                                                                                  
  87 TAORMINA LANE                                                                                                                
  OJAI, CA 93023-3627                                                                                                             
  6713270005                                                    339.623          26.500               9,000.00                    
  SALLY SLOAN STRICKLIN CUST                                                                                                      
  NANCY SLOAN STRICKLIN                                                                                                           
  UNIF GIFT MIN ACT FL                                                                                                            
  305 DIX HILLS ROAD                                                                                                              
  DIX HILLS, NY 11746-7824                                                                                                        
  6737600005                                                    377.358          26.500              10,000.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  CARL J WHITE                                                                                                                    
  6049 NORTH TOCITO PLACE                                                                                                         
  TUCSON, AZ 85718-3554                                                                                                           
  6766080003                                                    100.000          26.500               2,650.00                    
  JAMES E FARRELL CUST                                                                                                            
  ANNE ELIZABETH FARRELL                                                                                                          
  UNIF GIFT MIN ACT WA                                                                                                            
  13205 S E 339TH ST                                                                                                              
  AUBURN, WA 98092                                                                                                                
  6815340004                                                      1.838          26.500                  48.71                    
  LAMBERTUS KIM WARMOLTS &                                                                                                        
  PEGGY L WARMOLTS JT TEN                                                                                                         
  997 APPALOOSA ROAD                                                                                                              
  TARPON SPRINGS, FL 34689-9068                                                                                                   
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/14/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  6826510005                                                     92.507          26.500               2,451.44                    
  FRANZISKA PORGES HOSKEN                                                                                                         
  187 GRANT ST                                                                                                                    
  LEXINGTON, MA 02173-2140                                                                                                        
  6835160009                                                     50.000          26.500               1,325.00                    
  SAMEH I EID                                                                                                                     
  264 UNIONVILLE RD  ANNEX K                                                                                                      
  GLASSBORO, NJ 08028-3502                                                                                                        
  6873960002                                                    466.212          26.500              12,354.62                    
  ELIZABETH W STRATTON                                                                                                            
  BOX 82A                                                                                                                         
  WASHINGTON, VT 05675-0082                                                                                                       
  6913230000                                                    460.000          26.500              12,190.00                    
  KATHRYN H ARNOLD                                                                                                                
  P O BOX 64448                                                                                                                   
  TUCSON, AZ 85728-4448                                                                                                           
  6916570001                                                     95.000          26.500               2,517.50                    
  KATHRYN L HART                                                                                                                  
  4505B SAHALEE CT                                                                                                                
  ALEXANDRIA, VA 22312-3207                                                                                                       
  6943510008                                                    313.995          26.500               8,320.87                    
  ALAN M DUDLEY                                                                                                                   
  R R 2 BOX 5                                                                                                                     
  STUART, IA 50250-9302                                                                                                           
  6968760002                                                    789.492          26.500              20,921.54                    
  JULIUS FRISHMAN                                                                                                                 
  C/O JAY A FRISHMAN                                                                                                              
  1101 EAST 3RD STREET                                                                                                            
  BROOKLYN, NY 11230                                                                                                              
  6995210001                                                    140.000          26.500               3,710.00                    
  DANA E HAMMOCK                                                                                                                  
  2955 UPLAND COURT                                                                                                               
  MARIETTA, GA 30066-3056                                                                                                         
  8693912421                                                  1,000.000          26.500              26,500.00                    
  T CARTER HAGAMAN                                                                                                                
  21 HICKORY DR                                                                                                                   
  MAPLEWOOD, NJ 07040-2107                                                                                                        
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/14/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8693982257                                                    100.000          26.500               2,650.00                    
  MATINA K THOMAS                                                                                                                 
  12440 HWY. Y.                                                                                                                   
  LAMONTE, MO 65337                                                                                                               
  8693983915                                                     71.792          26.500               1,902.49                    
  GARY ALLEN CARLSON                                                                                                              
  12756 EAGLE RIDGE DR                                                                                                            
  BURNSVILLE, MN 55337-3511                                                                                                       
  8694054686                                                    673.238          26.500              17,840.81                    
  LISA ANN GORSKI                                                                                                                 
  1321 MARSHALL STREET #503                                                                                                       
  REDWOOD CITY, CA 94063-2556                                                                                                     
  8694074904                                                    337.591          26.500               8,946.16                    
  ELIZABETH L BOWEN                                                                                                               
  3517 LINDENWOOD                                                                                                                 
  DALLAS, TX 75205                                                                                                                
  8694158119                                                    741.479          26.500              19,649.19                    
  DONNA L SHERIDAN                                                                                                                
  18399 FARM LANE                                                                                                                 
  SOUTH BEND, IN 46637-4354                                                                                                       
  8694201759                                                     13.078          26.500                 346.57                    
  FARMERS BANK & TRUST TR UA 12-17-91                                                                                             
  FBO DANNY C FRANKS IRREV TRUST                                                                                                  
  P O BOX 250                                                                                                                     
  MAGNOLIA, AR 71753-0250                                                                                                         
  8694306414                                                    318.749          26.500               8,446.85                    
  NANCY C SCHAEFFER                                                                                                               
  801 SECOND ST                                                                                                                   
  DELANCO, NJ 08075-4737                                                                                                          
  8694429354                                                    236.268          26.500               6,261.10                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  DONALD G KILGORE JR                                                                                                             
  129 ROCKINGHAM ROAD                                                                                                             
  GREENVILLE, SC 29607-3620                                                                                                       
  8694448994                                                     26.090          26.500                 691.39                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  THE SELIGMAN DATA CORP                                                                                                          
  401K/THRIFT PLAN                                                                                                                
  ATTN: PENSION PLAN SERVICES                                                                                                     
  100 PARK AVE 2ND FL                                                                                                             
  NEW YORK, NY 10017-5516                                                                                                         
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/14/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8694448994                                                     33.849          26.500                 897.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  THE SELIGMAN DATA CORP                                                                                                          
  401K/THRIFT PLAN                                                                                                                
  ATTN: PENSION PLAN SERVICES                                                                                                     
  100 PARK AVE 2ND FL                                                                                                             
  NEW YORK, NY 10017-5516                                                                                                         
  8694448994                                                    113.208          26.500               3,000.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  THE SELIGMAN DATA CORP                                                                                                          
  401K/THRIFT PLAN                                                                                                                
  ATTN: PENSION PLAN SERVICES                                                                                                     
  100 PARK AVE 2ND FL                                                                                                             
  NEW YORK, NY 10017-5516                                                                                                         
  8694483703                                                     80.000          26.500               2,120.00                    
  MARCELLA RUTH BROWN                                                                                                             
  77-310 MINNESOTA AVE                                                                                                            
  PALM DESERT, CA 92211-7909                                                                                                      
  8694604280                                                  1,419.193          26.500              37,608.61                    
  ROBERT D PURNELL                                                                                                                
  2969 JACKSON STREET #503                                                                                                        
  SAN FRANCISCO, CA 94115                                                                                                         
  8694731295                                                    723.250          26.500              19,166.13                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  ELSE SALTEN                                                                                                                     
  2459 FRANCISCAN DR #73                                                                                                          
  CLEARWATER, FL 34623                                                                                                            
  8694734531                                                     72.656          26.500               1,925.38                    
  MONA HANNA                                                                                                                      
  27 WIMBLEDON DR                                                                                                                 
  ROSLYN, NY 11576-3097                                                                                                           
  8694748410                                                      1.000          26.500                  26.50                    
  JARED ROBERT BALKIND                                                                                                            
  P O BOX 3071                                                                                                                    
  TELLURIDE, CO 81435                                                                                                             
  8695456525                                                  1,132.075          26.500              30,000.00                    
  KENDRA HUNT CHAMPI                                                                                                              
  P O BOX 506                                                                                                                     
  30997 ISENBERG LANE                                                                                                             
  EVERGREEN, CO 80439                                                                                                             
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/14/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8695911604                                                     99.255          26.500               2,630.26                    
  BART T CAPPS CUST                                                                                                               
  LORIN F CAPPS                                                                                                                   
  UNIF TRANS MIN ACT VA                                                                                                           
  11632 WOOD BLUFF LOOP                                                                                                           
  RICHMOND, VA 23236                                                                                                              
  8696082277                                                    200.000          26.500               5,300.00                    
  ELIZABETH D LARZELERE CUST                                                                                                      
  REBECCA A LARZELERE                                                                                                             
  UNIF GIFT MIN ACT NY                                                                                                            
  1680 KUNEY ROAD                                                                                                                 
  ROMULUS, NY 14541-9741                                                                                                          
  8696082286                                                    200.000          26.500               5,300.00                    
  ELIZABETH D LARZELERE CUST                                                                                                      
  TAMARA E LARZELERE                                                                                                              
  UNIF GIFT MIN ACT NY                                                                                                            
  1680 KUNEY ROAD                                                                                                                 
  ROMULUS, NY 14541-9741                                                                                                          
  8696082311                                                     60.000          26.500               1,590.00                    
  ELIZABETH D LARZELERE CUST                                                                                                      
  DAWN M LARZELERE                                                                                                                
  UNIF GIFT MIN ACT NY                                                                                                            
  1680 KUNEY ROAD                                                                                                                 
  ROMULUS, NY 14541-9741                                                                                                          
  8696218693                                                    290.959          26.500               7,710.41                    
  BRIAN ROSS MCKEE                                                                                                                
  5316 DORCHESTER ROAD                                                                                                            
  GREENSBORO, NC 27407                                                                                                            
  8696273597                                                    188.679          26.500               5,000.00                    
  SHARON KAY KRAYNAK &                                                                                                            
  WILLIAM J KRAYNAK JT TEN                                                                                                        
  256 HEMINGWAY LANE                                                                                                              
  SEVERNA PARK, MD 21146-2141                                                                                                     
  8696515559                                                    238.263          26.500               6,313.97                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  SUSAN A STUTZMAN                                                                                                                
  2827 45TH AVE SE                                                                                                                
  OLYMPIA, WA 98501                                                                                                               
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/14/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8696536368                                                     65.000          26.500               1,722.50                    
  TRESSIE A LANDRY                                                                                                                
  102 GAMMA STREET                                                                                                                
  BELLE CHASSE, LA 70037                                                                                                          
  8696548765                                                     22.642          26.500                 600.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  BRAULIO O MORRISON                                                                                                              
  2970 WEST 24TH STREET APT 10U                                                                                                   
  BROOKLYN, NY 11224                                                                                                              
  8696562631                                                  3,707.024          26.500              98,236.14                    
  KAREN A WALKER & ROSEANN V POLLEY                                                                                               
  & STEPHANIE SHERWOOD  ADM                                                                                                       
  EST VERNA E YURGOVSKY                                                                                                           
  RR 3 BOX 8                                                                                                                      
  LAKE ARIEL, PA 18436                                                                                                            
  8696605729                                                     15.094          26.500                 399.99                    
  CLAIRE E PHILIP MEMORIAL                                                                                                        
  SCHOLARSHIP FUND OFFICE OF                                                                                                      
  ADVANCEMENT & EXTERNAL AFFAIRS                                                                                                  
  SMITH COLLEGE SCHOOL SOCIAL WORK                                                                                                
  LIBY HALL                                                                                                                       
  NORTHAMPTON, MA 01063                                                                                                           
  8696764833                                                     16.096          26.500                 426.54                    
  TIMOTHY W ROACH                                                                                                                 
  P O BOX 1255                                                                                                                    
  DUBLIN, PA 18917                                                                                                                
  8696777008                                                  1,068.721          26.500              28,321.11                    
  LILLIAN BUYUM                                                                                                                   
  PERSONAL REPRESENTATIVE                                                                                                         
  EST MAE APATOV                                                                                                                  
  6850 TENTH AVENUE NORTH #102                                                                                                    
  LAKE WORTH, FL 33467                                                                                                            
  8696777017                                                     21.920          26.500                 580.88                    
  MICHAEL B MULLICAN                                                                                                              
  3 SPYGLASS COURT                                                                                                                
  MANSFIELD, TX 76063                                                                                                             
  8696778285                                                  1,373.959          26.500              36,409.91                    
  WILLIAM P JOHNSTON ADM                                                                                                          
  EST JOHN WALLIS JOHNSTON                                                                                                        
  1402 FOXTAIL COVE                                                                                                               
  AUSTIN, TX 78704-7957                                                                                                           
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/14/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8696778463                                                    197.897          26.500               5,244.27                    
  KATHY SCOURAS                                                                                                                   
  11122 WHISPERWOOD LANE                                                                                                          
  ROCKVILLE, MD 20852                                                                                                             
  8696778846                                                    430.254          26.500              11,401.73                    
  EDMUND D BOWMAN JR &                                                                                                            
  PETER E DRISCOLL EX                                                                                                             
  EST EDMUND D BOWMAN SR                                                                                                          
  1104 BLACKMORE COURT                                                                                                            
  AMBLER, PA 19002                                                                                                                
                                                      -----------------                       ----------------                    
                        PRICE DATE TOTALS                    43,495.127                           1,152,620.86                    
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  4100320007                                                    131.493          26.625               3,501.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  ARTHUR H FERTIG                                                                                                                 
  6501 N E 20TH AVE                                                                                                               
  FT LAUDERDALE, FL 33308-1013                                                                                                    
  4100600008                                                      7.550          26.625                 201.00                    
  DOROTHY M BELL                                                                                                                  
  400 E PARKWOOD FM 528                                                                                                           
  APT #103                                                                                                                        
  FRIENDSWOOD, TX 77546-5165                                                                                                      
  4102650003                                                     13.184          26.625                 351.00                    
  KIRBY REICHMANN                                                                                                                 
  503 N RANGE ST                                                                                                                  
  MADISON, FL 32340-2563                                                                                                          
  4118860005                                                     14.123          26.625                 376.00                    
  JOEL J RE                                                                                                                       
  4808 EUBANK STREET                                                                                                              
  ALEXANDRIA, VA 22309                                                                                                            
  4123570006                                                    112.714          26.625               3,001.00                    
  HAROLD G WRIGHT &                                                                                                               
  DOROTHY E WRIGHT TEN COM                                                                                                        
  2067 COLFAX 525                                                                                                                 
  BLAIR, NE 68008-1817                                                                                                            
  4128560007                                                      5.672          26.625                 151.00                    
  LEONA G KLEBERGER TR U/A 6/6/89                                                                                                 
  FBO LEONA G KLEBERGER TRUST                                                                                                     
  6605 CLAYTON AVE  APT 207                                                                                                       
  ST LOUIS, MO 63139-3360                                                                                                         
  4137120001                                                      9.428          26.625                 251.00                    
  CHRISTIAN SPROTT &                                                                                                              
  JAMES A SPROTT JT TEN                                                                                                           
  1624 HILLCREST                                                                                                                  
  GRAND HAVEN, MI 49417-2515                                                                                                      
  4143810004                                                    358.414          26.625               9,542.77                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  GEORGE B MARKLE IV                                                                                                              
  ROLLOVER ACCOUNT                                                                                                                
  1003 N SHORE DR                                                                                                                 
  CARLSBAD, NM 88220-4635                                                                                                         
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  4151630005                                                    751.212          26.625              20,001.00                    
  ELSON A TICHENOR TR U/A 2-6-90                                                                                                  
  FBO ELSON A TICHENOR &                                                                                                          
  EILEEN J TICHENOR TRUST                                                                                                         
  6378 LUCKY JOHN RD.                                                                                                             
  PARADISE, CA 95969-3242                                                                                                         
  4167710004                                                      4.727          26.625                 125.85                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  DOROTHY B BRAGDON                                                                                                               
  84 SOUTH STREET                                                                                                                 
  BATH, ME 04530-2208                                                                                                             
  4181240004                                                     18.817          26.625                 501.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  ODOM W MODLING                                                                                                                  
  17 VISTA AVE                                                                                                                    
  PIEDMONT, CA 94611-4030                                                                                                         
  4187140002                                                     45.108          26.625               1,201.00                    
  WILLIAM T PEARSALL JR &                                                                                                         
  ELIZABETH KINCH JT TEN                                                                                                          
  7900 W LAYTON AVENUE APT#827                                                                                                    
  LITTLETON, CO 80123-1322                                                                                                        
  4189340006                                                     22.573          26.625                 601.00                    
  CHARLES D HARLESS                                                                                                               
  7 BUNKER PLACE                                                                                                                  
  TEQUESTA, FL 33469-1901                                                                                                         
  5030700005                                                     18.817          26.625                 501.00                    
  NORMA C ATKINSON                                                                                                                
  RT 1 BOX 89                                                                                                                     
  OLDTOWN, MD 21555-9711                                                                                                          
  5063690008                                                      4.263          26.625                 113.50                    
  LEWIS D BREWER                                                                                                                  
  16465 OLD JAPANESE ROAD                                                                                                         
  LOS GATOS, CA 95030-8355                                                                                                        
  5085180008                                                      9.428          26.625                 251.00                    
  H GORDON CHRISTIAN & JEAN                                                                                                       
  M CHRISTIAN JT TEN                                                                                                              
  808 LAUREL AVE                                                                                                                  
  SAN MATEO, CA 94401-4149                                                                                                        
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  5157510006                                                     48.864          26.625               1,301.00                    
  AURORA GAREISS                                                                                                                  
  C / O HERBERT GAREISS JR                                                                                                        
  267 BELLVALE LAKES RD                                                                                                           
  WARWICK, NY 10990                                                                                                               
  5180650008                                                    100.038          26.625               2,663.50                    
  NORBERT HABEL &                                                                                                                 
  VIVIAN HABEL JT TEN                                                                                                             
  7136 HILLSIDE DRIVE                                                                                                             
  W BLOOMFIELD, MI 48322-1363                                                                                                     
  5185550008                                                     18.817          26.625                 501.00                    
  EARL L HANSEN                                                                                                                   
  1395 ROWAN RD SW                                                                                                                
  LEEDS, AL 35094-2412                                                                                                            
  5191900003                                                     37.597          26.625               1,001.00                    
  RAYMOND L HAWTHORNE                                                                                                             
  WOOD RIVER VILLAGE APT N-106                                                                                                    
  3200 BEN SALEM BLVD                                                                                                             
  BEN SALEM, PA 19020-1956                                                                                                        
  5203090006                                                     48.864          26.625               1,301.00                    
  THOMAS HOCK                                                                                                                     
  35750 W MAPLETON LAKE DR                                                                                                        
  OCONOMOWOC, WI 53066                                                                                                            
  5215420001                                                      5.672          26.625                 151.00                    
  DOUGLAS IRWIN & CAROL                                                                                                           
  IRWIN JT TEN                                                                                                                    
  47 SOUTH LAKE DR                                                                                                                
  ANTIOCH, CA 94509-2053                                                                                                          
  5216560009                                                     18.817          26.625                 501.00                    
  CHARLOTTE M JACKSON                                                                                                             
  236 GOBORO RD RT 2                                                                                                              
  EPSOM, NH 03234-9802                                                                                                            
  5241680002                                                     37.597          26.625               1,001.00                    
  ARTHUR R KOERBER                                                                                                                
  10501 LAGRIMA DE ORU NE  APT 321                                                                                                
  ALBUQUERQUE, NM 87111-3743                                                                                                      
  5268900009                                                     37.597          26.625               1,001.00                    
  NIELS L LOW & MARY MARGARET                                                                                                     
  C LOW JT TEN                                                                                                                    
  50 ELM STREET                                                                                                                   
  TENAFLY, NJ 07670-2811                                                                                                          
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  5340170009                                                      3.794          26.625                 101.00                    
  ANN PINCHOT &                                                                                                                   
  SUSAN PINCHOT JT TEN                                                                                                            
  88 MALTBIE AVE                                                                                                                  
  STAMFORD, CT 06902-1110                                                                                                         
  5341330004                                                      7.550          26.625                 201.00                    
  RAYMOND H PLEHN                                                                                                                 
  W 1164 S SHORE DRIVE                                                                                                            
  PALMYRA, WI 53156-9797                                                                                                          
  5353120003                                                      3.794          26.625                 101.00                    
  DOROTHY REGAN                                                                                                                   
  12 KOSTER BLVD APT 6A                                                                                                           
  EDISON, NJ 08837-4226                                                                                                           
  5365430002                                                     37.597          26.625               1,001.00                    
  FRANCIS T ROSENDALE                                                                                                             
  1600 NORTH EAST DIXIE HIGHWAY                                                                                                   
  BUILDING #10, APT #202                                                                                                          
  JENSEN BEACH, FL 34957-6356                                                                                                     
  5379150001                                                     16.939          26.625                 451.00                    
  WILLIAM M SCHLEIER                                                                                                              
  822 WEST PEACH HOLLOW CIRCLE                                                                                                    
  PEARLAND, TX 77584-4004                                                                                                         
  5447350004                                                  1,126.799          26.625              30,001.00                    
  ELIZABETH WALTERS                                                                                                               
  218 NO.26TH AVE                                                                                                                 
  YAKIMA, WA 98902-2317                                                                                                           
  5463950005                                                     15.061          26.625                 401.00                    
  ALLEN G WILSON                                                                                                                  
  2001 WILSON AVE                                                                                                                 
  BOX 731                                                                                                                         
  HOT SPRINGS, SD 57747-0731                                                                                                      
  5464860002                                                     15.061          26.625                 401.00                    
  T TURNEY WILSON &                                                                                                               
  JOYCE H WILSON JT TEN                                                                                                           
  41 BROOKFIELD DR                                                                                                                
  HAMPTON, VA 23666-3546                                                                                                          
  5469170006                                                     37.597          26.625               1,001.00                    
  ZELMA E WOOD                                                                                                                    
  448 N E RAVENNA BLVD                                                                                                            
  SEATTLE, WA 98115-6401                                                                                                          
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  5481340006                                                      5.672          26.625                 151.00                    
  JOEL P CHERRY                                                                                                                   
  7211 MARC DRIVE                                                                                                                 
  FALLS CHURCH, VA 22042-3739                                                                                                     
  5544400008                                                      3.794          26.625                 101.00                    
  H WINFIELD RUSSELL                                                                                                              
  58 BEALS AVE                                                                                                                    
  ELLSWORTH, ME 04605-1702                                                                                                        
  5655840000                                                     26.329          26.625                 701.00                    
  HENRY BAIRD TENNEY                                                                                                              
  3735 NORTHAMPTON RD                                                                                                             
  CLEVELAND HTS, OH 44121-2026                                                                                                    
  5656320007                                                    225.390          26.625               6,001.00                    
  THOMAS E HAVEN                                                                                                                  
  97 AUSTIN AVE                                                                                                                   
  ATHERTON, CA 94027-3948                                                                                                         
  5712650008                                                     18.817          26.625                 501.00                    
  RUSSELL C ORTON                                                                                                                 
  2541 PARADE ROAD                                                                                                                
  LACONIA, NH 03246                                                                                                               
  5719090001                                                    122.497          26.625               3,261.47                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  MATTHEW H SCHUHMANN #                                                                                                           
  2645 HOMECREST AVENUE 4A                                                                                                        
  BROOLKYN, NY 11235-4527                                                                                                         
  5729560001                                                     15.061          26.625                 401.00                    
  ARTHUR H DELANEY &                                                                                                              
  ELIZABETH DELANEY JT TEN                                                                                                        
  527 PONTIAC ST                                                                                                                  
  JOLIET, IL 60432-2257                                                                                                           
  5807270015                                                      5.672          26.625                 151.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  JAMES A KARL                                                                                                                    
  W 6641 ELINOR DR                                                                                                                
  WAUSAUKEE, WI 54177                                                                                                             
  5862920005                                                     30.008          26.625                 798.95                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  ETALO G GNUTTI                                                                                                                  
  7984 S E LEXINGTON AVE                                                                                                          
  HOBE SOUND, FL 33455-5826                                                                                                       
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  5863070001                                                      6.575          26.625                 175.05                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  LYDIA H GNUTTI                                                                                                                  
  7984 S E LEXINGTON AVE                                                                                                          
  HOBE SOUND, FL 33455-5826                                                                                                       
  5863240006                                                     58.460          26.625               1,556.49                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  CECIL RALPH GARRISON                                                                                                            
  2627 HOLLY DR                                                                                                                   
  UPLAND, CA 91784-1139                                                                                                           
  5863680003                                                      7.550          26.625                 201.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  MERICO DALPIAN                                                                                                                  
  P O BOX 127A                                                                                                                    
  386 EAST ST                                                                                                                     
  STAFFORDVILLE, CT 06077-0127                                                                                                    
  5863830011                                                     37.114          26.625                 988.14                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  MARY E ABBOTT                                                                                                                   
  1255 STURGEON PT RD                                                                                                             
  DERBY, NY 14047-9615                                                                                                            
  5863900016                                                     18.746          26.625                 499.11                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  FLORENCE CHRISTENFELD                                                                                                           
  25 BABS ROAD                                                                                                                    
  BUDD LAKE, NJ 07828-2320                                                                                                        
  5864080007                                                     37.597          26.625               1,001.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  G EUGENE DACEY                                                                                                                  
  12 HARDY AVE                                                                                                                    
  WATERTOWN, MA 02172-1229                                                                                                        
  5864260009                                                     22.573          26.625                 601.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  MAURICE PIKOWSKY                                                                                                                
  5506 LINCOLN AVE APT NO.517                                                                                                     
  MORTON GROVE, IL 60053-3436                                                                                                     
  5864270007                                                     30.085          26.625                 801.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  FREDERICK B WARDWELL                                                                                                            
  P.O. BOX 118                                                                                                                    
  SEARSMONT, ME 04973-0118                                                                                                        
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  5864310009                                                     23.277          26.625                 619.73                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  JOHN S ANZELONE                                                                                                                 
  480 GREENBRIDGE LANE APT #D                                                                                                     
  PROSPECT HEIGHTS, IL 60070-2809                                                                                                 
  5864350000                                                    375.625          26.625              10,001.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  JOHN D LYNCH                                                                                                                    
  P O BOX 7615                                                                                                                    
  JACKSON, WY 83001-7615                                                                                                          
  5865190001                                                     23.968          26.625                 638.13                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  HARRY E RICHARDS                                                                                                                
  501 VIA CASITAS #516                                                                                                            
  GREENBRAE, CA 94904-1948                                                                                                        
  5866520000                                                      9.428          26.625                 251.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  R W BLUMENSCHEIN                                                                                                                
  6803 N 68TH PLAZA #202                                                                                                          
  OMAHA, NE 68152-2118                                                                                                            
  5902420004                                                      2.855          26.625                  76.00                    
  RUTH ANNE HERTERICH                                                                                                             
  144 MENDHAM ROAD EAST                                                                                                           
  MENDHAM, NJ 07945                                                                                                               
  5929460008                                                     37.597          26.625               1,001.00                    
  KATHERINE H COBLENTZ                                                                                                            
  23465 HARBORVIEW ROAD #822                                                                                                      
  PUNTAGORDA, FL 33980-2107                                                                                                       
  6038150002                                                     11.306          26.625                 301.00                    
  LOUISE W CECIL CUST                                                                                                             
  RICHARD F CECIL III                                                                                                             
  UNIF GIFT MIN ACT SC                                                                                                            
  1058 LAKEVIEW CRESCENT                                                                                                          
  BIRMINGHAM, AL 35205-1135                                                                                                       
  6038820002                                                    150.273          26.625               4,001.00                    
  MARGARET DALE SEABROOK                                                                                                          
  440-8 CIRCUITO FUENTES DEL PEDREGAL                                                                                             
  COL. FUENTES DEL PEDREGAL                                                                                                       
  TLALPAN, D.F.                                                                                                                   
  MEXICO CITY, MEXICO                                                                                                             
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  6067890015                                                      7.550          26.625                 201.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  WILLIAM J SCHLACTER                                                                                                             
  CARRIAGE HOUSE EAST APT 6C                                                                                                      
  MANLIUS, NY 13104                                                                                                               
  6097400006                                                     75.155          26.625               2,001.00                    
  ALBERT HANEN &                                                                                                                  
  SONDRA HANEN JT TEN                                                                                                             
  31 REYNOLDS DRIVE                                                                                                               
  LIDO BEACH, NY 11561-4927                                                                                                       
  6129390009                                                      7.550          26.625                 201.00                    
  EDDIE PUSKAS &                                                                                                                  
  WELTHA CHAFIN JT TEN                                                                                                            
  P O BOX 107 PEACH CREEK RD                                                                                                      
  PEACH CREEK, WV 25639-0107                                                                                                      
  6300420000                                                     37.597          26.625               1,001.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  CLAUDE FRANK RILEY JR                                                                                                           
  ROLLOVER ACCOUNT                                                                                                                
  10825 FOXHUNT LANE                                                                                                              
  POTOMAC, MD 20854-1552                                                                                                          
  6300420019                                                      4.921          26.625                 131.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  DOROTHY D RILEY                                                                                                                 
  10825 FOXHUNT LANE                                                                                                              
  POTOMAC, MD 20854-1552                                                                                                          
  6506880005                                                     20.355          26.625                 541.94                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  JOHN M EDWARDS JR                                                                                                               
  ROLLOVER ACCOUNT                                                                                                                
  122 NORTH MAIN STREET                                                                                                           
  SEYMOUR, TX 76380-2527                                                                                                          
  6537050004                                                     11.306          26.625                 301.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  MAE LOUISE SKOLA                                                                                                                
  10 LOCUST CT                                                                                                                    
  SPRING LAKE HEIGHTS, NJ 07762-2109                                                                                              
  6537060002                                                     56.376          26.625               1,501.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  TERESITA A DACEY                                                                                                                
  12 HARDY AVE                                                                                                                    
  WATERTOWN, MA 02172-1229                                                                                                        
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  6537640001                                                     22.573          26.625                 601.00                    
  ELISABETH H BROOKS                                                                                                              
  1008 BRANDON ROAD                                                                                                               
  BAY COLONY                                                                                                                      
  VIRGINIA BEACH, VA 23451-3725                                                                                                   
  6538910002                                                    103.158          26.625               2,746.58                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  ADELAIDE GENTILE                                                                                                                
  5 BARNES LANE                                                                                                                   
  GARDEN CITY, NY 11530-4401                                                                                                      
  6547550008                                                     37.597          26.625               1,001.00                    
  MARINETTE D PUTNAM                                                                                                              
  ROXBURY RD                                                                                                                      
  WASHINGTON, CT 06793                                                                                                            
  6550690003                                                      9.428          26.625                 251.00                    
  PHYLLIS TROY                                                                                                                    
  6466 GOLDEN LEAF CT                                                                                                             
  BRADENTON, FL 34202-1807                                                                                                        
  6565960004                                                     60.132          26.625               1,601.00                    
  RUTH H MACKENBACH                                                                                                               
  11406 CARDINAL LANE                                                                                                             
  ST MARYS, OH 45885                                                                                                              
  6574310003                                                     28.207          26.625                 751.00                    
  PEGGY LANGE                                                                                                                     
  17 STONYBROOK RD                                                                                                                
  WESTPORT, CT 06880-3019                                                                                                         
  6579170001                                                     15.295          26.625                 407.21                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  CHARLES W BARTELL                                                                                                               
  31158 CURRAN ROAD                                                                                                               
  DOWAGIAC, MI 49047                                                                                                              
  6581990005                                                      8.370          26.625                 222.85                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  SAM M ADLER                                                                                                                     
  6157 SUNNY POINTE CIRCLE                                                                                                        
  DELRAY BEACH, FL 33484-2446                                                                                                     
  6583950009                                                      9.428          26.625                 251.00                    
  L BENTON AUSTIN &                                                                                                               
  MORIE S AUSTIN JT TEN                                                                                                           
  36 CALABASH DRIVE                                                                                                               
  CALABASH, NC 28467-2529                                                                                                         
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  6602140017                                                      3.517          26.625                  93.62                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  MARY G DEVINNEY                                                                                                                 
  615 LAWSON AVENUE                                                                                                               
  HAVERTOWN, PA 19083-4107                                                                                                        
  6602140026                                                      9.428          26.625                 251.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  JOSEPH A DEVINNEY                                                                                                               
  615 LAWSON AVENUE                                                                                                               
  HAVERTOWN, PA 19083-4107                                                                                                        
  6608020000                                                    375.625          26.625              10,001.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  CLARENCE P CHREST                                                                                                               
  ROLLOVER ACCOUNT                                                                                                                
  8700 N. LA CHOLLA BLVD  #4105                                                                                                   
  TUCSON, AZ 85742                                                                                                                
  6617360009                                                     18.817          26.625                 501.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  EFTHYMIOS G PONTICAS                                                                                                            
  ROLLOVER ACCOUNT                                                                                                                
  13612 BARDON ROAD                                                                                                               
  PHOENIX, MD 21131-1518                                                                                                          
  6620820007                                                     18.066          26.625                 481.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  ANN M HUGHES                                                                                                                    
  50 LAFAYETTE PL                                                                                                                 
  GREENWICH, CT 06830-5405                                                                                                        
  6624630009                                                     75.155          26.625               2,001.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  ROBERT H BROTHERLIN JR                                                                                                          
  5020 WILLOW LEAF WAY                                                                                                            
  SARASOTA, FL 34241-6233                                                                                                         
  6628630000                                                      9.428          26.625                 251.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  EILEEN K ROBINSON                                                                                                               
  739 CORTEZ AVENUE                                                                                                               
  BELLEAIR BLUFFS, FL 34640-1733                                                                                                  
  6629680007                                                      5.672          26.625                 151.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  NORWOOD TOWNSEND                                                                                                                
  ROLLOVER ACCOUNT                                                                                                                
  3249 FAUST AVE                                                                                                                  
  LONG BEACH, CA 90808-3808                                                                                                       
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  6631560008                                                     56.376          26.625               1,501.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  ALBERT HANEN                                                                                                                    
  31 REYNOLDS DRIVE                                                                                                               
  LIDO BEACH, NY 11561-4927                                                                                                       
  6633000011                                                      8.636          26.625                 229.94                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  PHILIP W SCHNEIDER                                                                                                              
  5307 W WRIGHTWOOD AVE                                                                                                           
  CHICAGO, IL 60639-1523                                                                                                          
  6633330003                                                     22.573          26.625                 601.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  HELEN M GRANT                                                                                                                   
  36 BERRYWOOD DRIVE                                                                                                              
  BELLEVILLE, IL 62223-4804                                                                                                       
  6635770005                                                      7.359          26.625                 195.92                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  AMY LIVINGSTONE                                                                                                                 
  76 W NEWELL AVE                                                                                                                 
  RUTHERFORD, NJ 07070-2210                                                                                                       
  6639530008                                                     11.306          26.625                 301.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  EUGENE V ROWAN                                                                                                                  
  15 LAWN STREET                                                                                                                  
  ROWAYTON, CT 06853-1915                                                                                                         
  6645660007                                                     18.817          26.625                 501.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  ANDREW JAVORSKY                                                                                                                 
  9513 BIDDULPH RD                                                                                                                
  BROOKLYN, OH 44144-2607                                                                                                         
  6650250012                                                      1.540          26.625                  41.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  STANLEY A SHINER                                                                                                                
  7 BEAR HILL ROAD                                                                                                                
  STONEHAM, MA 02180-1070                                                                                                         
  6652270005                                                     13.184          26.625                 351.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  L BENTON AUSTIN                                                                                                                 
  ROLLOVER ACCOUNT                                                                                                                
  36 CALABASH DRIVE                                                                                                               
  CALABASH, NC 28467-2529                                                                                                         
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  6657940004                                                     22.573          26.625                 601.00                    
  LILLIE MAE SMITH                                                                                                                
  921 MONTROSE                                                                                                                    
  PORT NECHES, TX 77651-2230                                                                                                      
  6659090008                                                      3.794          26.625                 101.00                    
  THEODORE I BALLARD                                                                                                              
  P O BOX 550                                                                                                                     
  DILLON, CO 80435-0550                                                                                                           
  6662890004                                                     15.476          26.625                 412.05                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  ARTHUR R WESTERFELD                                                                                                             
  32 PRINCETON DRIVE                                                                                                              
  DIX HILLS, NY 11746-4826                                                                                                        
  6671540009                                                      7.550          26.625                 201.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  AMSBRY MITCHELL BROOKS JR                                                                                                       
  1008 BRANDON ROAD BAY COLONY                                                                                                    
  VIRGINIA BEACH, VA 23451-3725                                                                                                   
  6673670007                                                      3.794          26.625                 101.00                    
  MARIE M VOGELGESANG TR UA 11/30/82                                                                                              
  FBO MARIE M VOGELGESANG TRUST                                                                                                   
  5645 STATE PARK DR                                                                                                              
  SHAWNEE MISSION, KS 66205-2670                                                                                                  
  6677020005                                                     16.939          26.625                 451.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  BARBARA C SOLIT                                                                                                                 
  17723 VALLE DE LOBO DRIVE                                                                                                       
  POWAY, CA 92064-1017                                                                                                            
  6681830007                                                      2.118          26.625                  56.38                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  LILLIAN LUBA MENDELOW                                                                                                           
  1804 ELEUTHERA PT #02                                                                                                           
  COCONUT CREEK, FL 33066-2835                                                                                                    
  6684500000                                                      9.428          26.625                 251.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  ADELE HORN                                                                                                                      
  3215 WALD STREET                                                                                                                
  GLENVIEW, IL 60025-4566                                                                                                         
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  6686520001                                                      9.171          26.625                 244.16                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  IRA N BROPHY                                                                                                                    
  1 ASH LANE                                                                                                                      
  VALLEY STREAM, NY 11581-1701                                                                                                    
  6693200004                                                      5.672          26.625                 151.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  DON F SCHMEECKLE                                                                                                                
  105 OLD PLANTATION DR E                                                                                                         
  LADY'S ISLAND                                                                                                                   
  BEAUFORT, SC 29902                                                                                                              
  6695250008                                                      6.835          26.625                 181.98                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  JOSEPH J MURPHY                                                                                                                 
  P O BOX 245                                                                                                                     
  COLUMBUS, OH 43216-0245                                                                                                         
  6695770009                                                      5.564          26.625                 148.14                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  PATRICIA OGDEN                                                                                                                  
  128 HARROPS GLENN                                                                                                               
  WILLIAMSBURG, VA 23185-5599                                                                                                     
  6695960009                                                     30.085          26.625                 801.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  JEANNE R BENDER                                                                                                                 
  6 LOGAN PL                                                                                                                      
  ROWAYTON, CT 06853-1403                                                                                                         
  6696190009                                                     15.061          26.625                 401.00                    
  EVELYN E SPIRATOS                                                                                                               
  LITTLEFIELD                                                                                                                     
  6 SUNNYSIDE PLACE                                                                                                               
  NEWPORT, RI 02840-3378                                                                                                          
  6699330004                                                     26.676          26.625                 710.23                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  SYLVIA K SCHREIBER                                                                                                              
  5496 CAPBERN CT SW                                                                                                              
  FT MYERS, FL 33919-2708                                                                                                         
  6701700000                                                     56.376          26.625               1,501.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  GRANT L FRANKLIN                                                                                                                
  5 SEVERANCE CENTER #215                                                                                                         
  CLEVELAND HEIGHTS, OH 44118                                                                                                     
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  6707590000                                                      5.672          26.625                 151.00                    
  PEGGY HANCOCK                                                                                                                   
  BOX 9 SAN PEDRO                                                                                                                 
  ABERGRIS CAY                                                                                                                    
  BELIZE CENTRAL AMERICA                                                                                                          
  6721970001                                                      7.550          26.625                 201.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  MARJORIE W GROSSMAN                                                                                                             
  ROLLOVER ACCOUNT                                                                                                                
  3412 OAK RIDGE RD # 207                                                                                                         
  MINNETONKA, MN 55305-4564                                                                                                       
  6728300007                                                      3.794          26.625                 101.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  FREDRICK A WALKER                                                                                                               
  PO BOX 1525                                                                                                                     
  CARMEL, CA 93921-1525                                                                                                           
  6728300016                                                      1.916          26.625                  51.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  ALICE H WALKER                                                                                                                  
  PO BOX 1525                                                                                                                     
  CARMEL, CA 93921-1525                                                                                                           
  6736600007                                                      7.550          26.625                 201.00                    
  MIN NATHAN                                                                                                                      
  520 WOODLAWN                                                                                                                    
  GLENCOE, IL 60022-2041                                                                                                          
  6742190001                                                    112.714          26.625               3,001.00                    
  EDNA C ABLE                                                                                                                     
  101 WESTCOTT #205                                                                                                               
  HOUSTON, TX 77007-7030                                                                                                          
  6742860000                                                     30.085          26.625                 801.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  PHYLLIS DOLAN                                                                                                                   
  ROLLOVER ACCOUNT                                                                                                                
  842 WESTWOOD BLVD                                                                                                               
  JACKSON, MI 49203-2652                                                                                                          
  6742870008                                                     15.061          26.625                 401.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  BETTY MINGUS                                                                                                                    
  ROLLOVER ACCOUNT                                                                                                                
  236 LARK DR                                                                                                                     
  JACKSON, MI 49202-1122                                                                                                          
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  6745600017                                                      3.556          26.625                  94.68                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  RICHARD GERARD HERGUTH                                                                                                          
  6351 PERRIN WAY                                                                                                                 
  CARMICHAEL, CA 95608-1111                                                                                                       
  6746700005                                                     40.990          26.625               1,091.34                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  SAMUEL GOLDSTEIN                                                                                                                
  1734 EAST 32 ST                                                                                                                 
  BROOKLYN, NY 11234-4442                                                                                                         
  6754660007                                                     13.184          26.625                 351.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  MILFORD E GOOD                                                                                                                  
  ROLLOVER ACCOUNT                                                                                                                
  101 RAINBOW DRIVE 3292                                                                                                          
  LIVINGSTON, TX 77351-9330                                                                                                       
  6775490008                                                     14.787          26.625                 393.69                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  BURTON SCHREIBER                                                                                                                
  5496 CAPBERN CT                                                                                                                 
  FT MYERS, FL 33919-2708                                                                                                         
  6786800000                                                     46.148          26.625               1,228.68                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  CECELIA E KAMPSON                                                                                                               
  ROLLOVER ACCOUNT                                                                                                                
  190 E CAMBRIDGE DRIVE                                                                                                           
  COPIAGUE, NY 11726-3247                                                                                                         
  6788280005                                                    112.714          26.625               3,001.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  DAVID B DEE                                                                                                                     
  933 CONNOR STREET                                                                                                               
  SALT LAKE CITY, UT 84108-1407                                                                                                   
  6796770005                                                      7.550          26.625                 201.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  BARBARA A KADOLPH                                                                                                               
  4439 N ROMERO RD SPACE 67                                                                                                       
  TUCSON, AZ 85705-2105                                                                                                           
  6826680009                                                      4.733          26.625                 126.00                    
  JOE S BEEBE AND                                                                                                                 
  VIRGINIA BEEBE JT TEN                                                                                                           
  12009 DOWNEY AVE                                                                                                                
  DOWNEY, CA 90242-2531                                                                                                           
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  6848060003                                                     22.573          26.625                 601.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  FRANK BIELAK                                                                                                                    
  RD 1 BOX 51                                                                                                                     
  NEW CASTLE, PA 16105-9729                                                                                                       
  6848670005                                                      1.818          26.625                  48.39                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  NESTOR MARQUEZ                                                                                                                  
  57-2 FAIRVIEW AVE                                                                                                               
  PARK RIDGE, NJ 07656-1435                                                                                                       
  6848680003                                                      2.973          26.625                  79.14                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  OLGA MARQUEZ                                                                                                                    
  57-2 FAIRVIEW AVE                                                                                                               
  PARK RIDGE, NJ 07656-1435                                                                                                       
  6865670009                                                     37.597          26.625               1,001.00                    
  FW GOOCH                                                                                                                        
  P O BOX 577                                                                                                                     
  BARNSTABLE, MA 02630-0577                                                                                                       
  6866720007                                                      3.794          26.625                 101.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  BEATRICE BLANK                                                                                                                  
  ROLLOVER ACCOUNT                                                                                                                
  603A MADISON DRIVE                                                                                                              
  CRANBURY, NJ 08512-4322                                                                                                         
  6867750008                                                    145.465          26.625               3,873.00                    
  ESTELLE PHILLIPS                                                                                                                
  205 EAST 78 STREET APT 15J                                                                                                      
  NEW YORK, NY 10021-1240                                                                                                         
  6883870000                                                      3.794          26.625                 101.00                    
  NANCY H THORNDAL                                                                                                                
  RR 1 BOX 318                                                                                                                    
  PONSFOAD, MN 56575-9775                                                                                                         
  6885080001                                                     13.184          26.625                 351.00                    
  JOHN M THRESS &                                                                                                                 
  MARION F THRESS JT TEN                                                                                                          
  746 PINEVIEW LANE                                                                                                               
  NORTH WALES, PA 19454-2622                                                                                                      
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  6887800006                                                    122.221          26.625               3,254.13                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  JEANNETTE A SHIPMAN                                                                                                             
  7683 HUDSON PARK DRIVE                                                                                                          
  HUDSON, OH 44236-2385                                                                                                           
  6909770004                                                     12.308          26.625                 327.70                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  JACK HARPER                                                                                                                     
  2954 NEBRASKA                                                                                                                   
  PADUCAH, KY 42001-5928                                                                                                          
  6916290000                                                     18.817          26.625                 501.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  ISABEL KOENIG                                                                                                                   
  27027 CAMINO DE ESTRELLA                                                                                                        
  CAPISTRANO BEACH, CA 92624                                                                                                      
  6923630005                                                     18.817          26.625                 501.00                    
  GERALD HERSCHENFELD &                                                                                                           
  ELAINE HERSCHENFELD JT TEN                                                                                                      
  130 SOUTH MIDDLE NECK RD                                                                                                        
  GREAT NECK, NY 11021-3761                                                                                                       
  6942830003                                                      7.550          26.625                 201.00                    
  JULIUS MAYER &                                                                                                                  
  ROSE MAYER JT TEN                                                                                                               
  3901 INDEPENDENCE AVE                                                                                                           
  RIVERDALE, NY 10463-1219                                                                                                        
  6943300002                                                     22.573          26.625                 601.00                    
  RALPH K B CLAY                                                                                                                  
  850 SOUTH RANCHO RD 2-117                                                                                                       
  LAS VEGAS, NV 89106-3837                                                                                                        
  6967220008                                                      7.550          26.625                 201.00                    
  MARY M WILSON                                                                                                                   
  55 W WASH AVE #64                                                                                                               
  YAKIMA, WA 98903-2215                                                                                                           
  6968420004                                                      3.794          26.625                 101.00                    
  JACK BRAIMAN TR U/A 12-17-87                                                                                                    
  FBO JACK BRAIMAN TRUST                                                                                                          
  2880 S LOCUST ST  #506-S                                                                                                        
  DENVER, CO 80222-7163                                                                                                           
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  6969820008                                                     22.573          26.625                 601.00                    
  ROBERT M SUGERMAN                                                                                                               
  404 RIVER WEST                                                                                                                  
  GREENWICH, CT 06831-4156                                                                                                        
  6991120009                                                    158.592          26.625               4,222.50                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  PRESTON K JOHNSON                                                                                                               
  ROLLOVER ACCOUNT                                                                                                                
  P O BOX 454                                                                                                                     
  BELLEVILLE, IL 62222-0454                                                                                                       
  8693902502                                                     18.817          26.625                 501.00                    
  KATHRYN LEE SYMINGTON                                                                                                           
  273 BOWEN ST                                                                                                                    
  PROVIDENCE, RI 02906                                                                                                            
  8693915053                                                      9.149          26.625                 243.59                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  JEMA TELFEYAN                                                                                                                   
  ROLLOVER ACCOUNT                                                                                                                
  59 PINE HILL RD                                                                                                                 
  GREAT NECK, NY 11020-1315                                                                                                       
  8693949259                                                     75.117          26.625               2,000.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  GENE R ROGERS                                                                                                                   
  ROLLOVER ACCOUNT                                                                                                                
  2812 LONDON LANE                                                                                                                
  ENID, OK 73703-3130                                                                                                             
  8693950683                                                     27.381          26.625                 729.00                    
  LORRAINE J BARBER                                                                                                               
  23 RAVENWOOD RD                                                                                                                 
  WEST HARTFORD, CT 06107-1539                                                                                                    
  8693957668                                                     56.376          26.625               1,501.00                    
  STOVALL W TRAWICK &                                                                                                             
  ELSIE JO TRAWICK JT TEN                                                                                                         
  721 NORTH COLLEGE ST                                                                                                            
  CEDARTOWN, GA 30125-2205                                                                                                        
  8694032576                                                     38.986          26.625               1,038.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  ROGERS H THACKABERRY                                                                                                            
  ROLLOVER ACCOUNT                                                                                                                
  64 NICKERSON RD                                                                                                                 
  ORLEANS, MA 02653-3316                                                                                                          
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8694053874                                                     18.817          26.625                 501.00                    
  GRETA OLSSON SHOEMAKER &                                                                                                        
  WILLIAM TURNER SHOEMAKER JT TEN                                                                                                 
  337 THOMPSON ST                                                                                                                 
  PORT JEFFERSON, NY 11777-1971                                                                                                   
  8694094768                                                     37.597          26.625               1,001.00                    
  SUSAN H DALTON                                                                                                                  
  5590 CROSS GATE DR N W                                                                                                          
  ATLANTA, GA 30327-4814                                                                                                          
  8694117495                                                     26.264          26.625                 699.28                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  RITA S ROOT                                                                                                                     
  ROLLOVER ACCOUNT                                                                                                                
  907 SO STREVELL AVE                                                                                                             
  MILES CITY, MT 59301                                                                                                            
  8694155700                                                      2.855          26.625                  76.00                    
  FRED C THOMSEN &                                                                                                                
  FERNE E THOMSEN TR UA 11/27/91                                                                                                  
  FBO FRED C THOMSEN FAMILY TRUST                                                                                                 
  55 SO GREELEY ST  APT 510                                                                                                       
  PALATINE, IL 60067-6181                                                                                                         
  8694165646                                                     37.597          26.625               1,001.00                    
  DAVID B DEE &                                                                                                                   
  ANN BAILEY DEE JT TEN                                                                                                           
  933 CONNOR ST                                                                                                                   
  SALT LAKE CITY, UT 84108-1407                                                                                                   
  8694173290                                                     49.991          26.625               1,331.00                    
  FREDERICK F FORDON TR U/A 2/4/92                                                                                                
  FBO FREDERICK F FORDON TRUST                                                                                                    
  306 STEPHENS ROAD                                                                                                               
  GROSSE POINTE FARMS, MI 48236-3412                                                                                              
  8694195631                                                     26.329          26.625                 701.00                    
  CYRIL L O'REILLY &                                                                                                              
  MARION L O'REILLY TR UA 2/14/92                                                                                                 
  FBO THE O'REILLY TRUST  #205                                                                                                    
  205 RIVERSHIRE LANE # 312                                                                                                       
  LINCOLNSHIRE, IL 60069-3807                                                                                                     
  8694213005                                                     34.978          26.625                 931.29                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  GASTON WADE APPLE JR                                                                                                            
  P O BOX 629                                                                                                                     
  REIDSVILLE, NC 27323-0629                                                                                                       
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8694213032                                                     37.033          26.625                 986.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  WALLACE L CHRISTENSEN                                                                                                           
  63 EDWARDS ST - 1A                                                                                                              
  ROSLYN HEIGHTS, NY 11577-1100                                                                                                   
  8694215165                                                     45.535          26.625               1,212.36                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  J HENRY LATCHUM                                                                                                                 
  309 PARKWAY DR                                                                                                                  
  NEWPORT NEWS, VA 23606-3729                                                                                                     
  8694227508                                                      2.855          26.625                  76.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  SEYMOUR LANDAU                                                                                                                  
  141 S W 96TH TERR APT 204                                                                                                       
  PLANTATION, FL 33324-2329                                                                                                       
  8694252702                                                     31.963          26.625                 851.00                    
  GUARANTEE & TRUST CO                                                                                                            
  FBO STEPHEN STRAUS IRA R/O 3-18-92                                                                                              
  C/O RODMAN & RENSHAW INC                                                                                                        
  233 S WACKER DRIVE                                                                                                              
  SUITE 4500                                                                                                                      
  CHICAGO, IL 60606                                                                                                               
  8694255709                                                     15.061          26.625                 401.00                    
  WILLARD P FULLER JR TR UA 4/30/92                                                                                               
  FBO W P FULLER JR TRUST                                                                                                         
  P O BOX 745                                                                                                                     
  SAN ANDREAS, CA 95249-0745                                                                                                      
  8694263166                                                      9.052          26.625                 241.00                    
  BETTY J WILHELM                                                                                                                 
  1628 CLOWER CREEK DR #127                                                                                                       
  SARASOTA, FL 34231-8955                                                                                                         
  8694305585                                                     11.306          26.625                 301.00                    
  YVONNE D HARVEY &                                                                                                               
  HERSCHEL E HARVEY JT TEN                                                                                                        
  PO BOX 93                                                                                                                       
  WHITE SALMON, WA 98672-0093                                                                                                     
  8694311006                                                     18.817          26.625                 501.00                    
  HORTENSE BERZOWSKI &                                                                                                            
  ROMAN C BERZOWSKI TR UA 6/30/92                                                                                                 
  FBO THE HORTENSE BERZOWSKI TRUST                                                                                                
  3474 CENTRAL AVE                                                                                                                
  MEMPHIS, TN 38111-4406                                                                                                          
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8694322986                                                     18.817          26.625                 501.00                    
  WALTER JOHN CALDWELL                                                                                                            
  648 MONMOUTH AVE                                                                                                                
  KENILWORTH, NJ 07033                                                                                                            
  8694339148                                                     18.817          26.625                 501.00                    
  DOROTHY M STEINKAMP &                                                                                                           
  DAVID E STEINKAMP &                                                                                                             
  THOMAS C STEINKAMP JT TEN                                                                                                       
  1416 BRIARWOOD DR                                                                                                               
  NAPERVILLE, IL 60540-5026                                                                                                       
  8694339175                                                     18.817          26.625                 501.00                    
  FAY GELSEY & DANIEL Z GELSEY &                                                                                                  
  HELEN G ZIRINSKY TR UA 10-31-92                                                                                                 
  FBO FAY GELSEY TRUST                                                                                                            
  1080 94TH STREET APT 402                                                                                                        
  BAY HARBOR ISLANDS, FL 33154-2320                                                                                               
  8694346540                                                     31.963          26.625                 851.00                    
  LEONARD F LA BELLE &                                                                                                            
  NATALIE LA BELLE TR UA 11/15/90                                                                                                 
  FBO THE LA BELLE REV TRUST                                                                                                      
  9881 E CARON ST                                                                                                                 
  SCOTTSDALE, AZ 85258-5691                                                                                                       
  8694372342                                                     75.155          26.625               2,001.00                    
  FRANK P ALEXANDER TR UA 10-2-84                                                                                                 
  MB FRANK P ALEXANDER &                                                                                                          
  LORA S ALEXANDER TRUST                                                                                                          
  FBO FRANK P ALEXANDER                                                                                                           
  1150 8TH AVE S W   APT 66                                                                                                       
  LARGO, FL 33770                                                                                                                 
  8694384437                                                      7.550          26.625                 201.00                    
  JAMES B WALLACE &                                                                                                               
  JAMES B WALLACE JR JT TEN                                                                                                       
  1715 58TH ST S                                                                                                                  
  GULFPORT, FL 33707-4104                                                                                                         
  8694422734                                                    103.627          24.125               2,500.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  THE J & W SELIGMAN & CO., INC                                                                                                   
  MATCHED ACCUMULATION PLAN                                                                                                       
  ATTN: PENSION PLAN SERVICES                                                                                                     
  100 PARK AVE 2ND FL                                                                                                             
  NEW YORK, NY 10017-5516                                                                                                         
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8694511380                                                      3.794          26.625                 101.00                    
  G GILBERT OLDING &                                                                                                              
  ELIZABETH V OLDING TEN COM                                                                                                      
  1101 N MOUNTAIN VIEW AVE UNIT N-70                                                                                              
  TACOMA, WA 98406-8402                                                                                                           
  8694520851                                                     37.597          26.625               1,001.00                    
  BERNICE PAYNE &                                                                                                                 
  KATHLEEN FLADWOOD JT TEN                                                                                                        
  1521 BLAKEWOOD CT                                                                                                               
  SO MILWAUKEE, WI 53172-3549                                                                                                     
  8694550373                                                      3.794          26.625                 101.00                    
  DOUGLAS C VEZINA TR UA 12/30/91                                                                                                 
  FBO VEZINA JOINT IRREV TRUST                                                                                                    
  P O BOX 340                                                                                                                     
  ST CROIX FALLS, WI 54024-0340                                                                                                   
  8694554574                                                     13.184          26.625                 351.00                    
  R JOHN MC GEE &                                                                                                                 
  MARI R MC GEE TR UA 12-23-93                                                                                                    
  FBO THE R JOHN MCGEE FAMILY TRUST                                                                                               
  3265 SECOND AVENUE                                                                                                              
  SAN DIEGO, CA 92103-5609                                                                                                        
  8694648572                                                     75.155          26.625               2,001.00                    
  GEORGE B MARKLE IV TR UA 12-8-92                                                                                                
  FBO GEORGE B MARKLE IV REV TRUST                                                                                                
  1003 N SHORE                                                                                                                    
  CARLSBAD, NM 88220-4635                                                                                                         
  8694665758                                                     18.817          26.625                 501.00                    
  IAN L POTTER                                                                                                                    
  893 WATERSIDE LANE                                                                                                              
  BRADENTON, FL 34209-7725                                                                                                        
  8694665865                                                      7.550          26.625                 201.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  ELIZABETH K ROBERTS                                                                                                             
  IRA ROLLOVER                                                                                                                    
  1012 11TH STREET                                                                                                                
  MC KEES ROCKS, PA 15136-2368                                                                                                    
  8694697224                                                    150.273          26.625               4,001.00                    
  CLAYTON R HURLBUT TR 7-14-94                                                                                                    
  FBO CLAYTON R HURLBUT TRUST                                                                                                     
  75 WELLS STREET APT 215                                                                                                         
  GREENFIELD, MA 01301                                                                                                            
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8694716150                                                     26.338          26.625                 701.23                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  ALFRED J MAGEE                                                                                                                  
  4806 VIRGINIA AVE                                                                                                               
  CHARLESTON, WV 25304                                                                                                            
  8694778137                                                      2.855          26.625                  76.00                    
  FLORENCE K JONES                                                                                                                
  15666 49TH STREET N LOT 1023                                                                                                    
  CLEARWATER, FL 34622                                                                                                            
  8695809547                                                     75.155          26.625               2,001.00                    
  WILLIAM C MOYER & VIOLA J MCCREARY                                                                                              
  MOYER TR UA 1-13-95                                                                                                             
  FBO WILLIAM COPLAND MOYER & VIOLA                                                                                               
  JEANETTE MCCREARY MOYER REV TRUST                                                                                               
  HC 52 BOX 880                                                                                                                   
  HEMPHILL, TX 75948-9625                                                                                                         
  8695817841                                                      1.490          26.625                  39.67                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  WALTER S BUCK JR                                                                                                                
  728 NORRISTOWN RD H105                                                                                                          
  SPRINGHOUSE ESTATES                                                                                                             
  LOWER GWYNEDD, PA 19002                                                                                                         
  8696029282                                                     28.207          26.625                 751.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  WILMA B EDWARDS                                                                                                                 
  ROLLOVER ACCOUNT                                                                                                                
  2611 ELWOOD CT                                                                                                                  
  OWERSBORO, KY 42301                                                                                                             
  8696085915                                                      5.672          26.625                 151.00                    
  MARIE THERESE BERGMAN &                                                                                                         
  F BRIAN RAPP TR UA 9/18/86                                                                                                      
  FBO HOWARD L BERGMAN &                                                                                                          
  MARIE THERESE BERGMAN TRUST                                                                                                     
  667 OAK GROVE DRIVE                                                                                                             
  SANTA BARBARA, CA 93108-1401                                                                                                    
  8696343183                                                    150.273          26.625               4,001.00                    
  DORIS S PROUT &                                                                                                                 
  PETER A PROUT TR UA 8/5/92                                                                                                      
  FBO DORIS S PROUT TRUST                                                                                                         
  5635 31ST STREET N                                                                                                              
  ST PETERSBURG, FL 33714                                                                                                         
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/15/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8696543181                                                    112.714          26.625               3,001.00                    
  BONNIE J JONES                                                                                                                  
  25 FERNWOOD DRIVE                                                                                                               
  LAUREL, MS 39440-2244                                                                                                           
  8696590496                                                      7.119          26.625                 189.52                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  BETTY RUTH OBERLANDER                                                                                                           
  217 E RIDGE ST                                                                                                                  
  IRONWOOD, MI 49938                                                                                                              
  8696604640                                                     14.185          26.625                 377.67                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  NESTOR A MARQUEZ                                                                                                                
  57-2 FAIRVIEW AVE                                                                                                               
  PARK RIDGE, NJ 07656                                                                                                            
  8696679686                                                     15.061          26.625                 401.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  ZILLAH L PARRISH                                                                                                                
  76 GEORGE STREET                                                                                                                
  HAMBURG, NY 14075                                                                                                               
  8696681593                                                      3.794          26.625                 101.00                    
  DOROTHY A SUTTON &                                                                                                              
  JOHN FREDERICK SUTTON  JT TEN                                                                                                   
  68 WETHERSFIELD AVE #7                                                                                                          
  HARTFORD, CT 06114-1109                                                                                                         
                                                      -----------------                       ----------------                    
                        PRICE DATE TOTALS                     8,573.102                             227,997.55                    
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/21/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  4123760006                                                     72.779          26.250               1,910.45                    
  EMILIA V ALLIEGRO                                                                                                               
  33 NASSAU AVENUE                                                                                                                
  MALVERNE, NY 11565-1416                                                                                                         
  4139440000                                                    106.861          26.250               2,805.10                    
  FREDERICK L ANDERSON                                                                                                            
  830 HAWKSBILL ISLAND DRIVE                                                                                                      
  SATELLITE BEACH, FL 32937                                                                                                       
  4152060002                                                    325.000          26.250               8,531.25                    
  ZAY SEVIER                                                                                                                      
  935 ANTIQUA LANE                                                                                                                
  GREENSBORO, NC 27406-8107                                                                                                       
  5421690008                                                     11.151          26.250                 292.71                    
  KATHY ANN SWIATKOWSKI                                                                                                           
  C/O K A SWIATKOWSKI                                                                                                             
  250 MANSFIELD AVE #19                                                                                                           
  NORTON, MA 02766-1326                                                                                                           
  5453250003                                                      1.987          26.250                  52.16                    
  GEORGE WEINFLASH CUST GAIL                                                                                                      
  WEINFLASH A MINOR U/ART 8A OF THE                                                                                               
  PERSONAL PROPERTY LAW OF NEW YORK                                                                                               
  6 SASSON TERR                                                                                                                   
  VALLEY COTTAGE, NY 10989-2106                                                                                                   
  5587230003                                                      5.908          26.250                 155.09                    
  GLENWOOD R KNOWLES &                                                                                                            
  ROSANELLE KNOWLES JTTEN                                                                                                         
  500 W 28TH ST                                                                                                                   
  RIVIERA BEACH, FL 33404-4468                                                                                                    
  5650720006                                                    500.000          26.250              13,125.00                    
  MISS LOIS E DEBBINK                                                                                                             
  1116 E GLENDALE AVE                                                                                                             
  MILWAUKEE, WI 53211-1116                                                                                                        
  5656030008                                                    501.401          26.250              13,161.78                    
  ERWIN J BAUKUS & JOAN M BAUKUS JT                                                                                               
  TEN                                                                                                                             
  9201 SPRUCE LANE                                                                                                                
  TINLEY PARK, IL 60477-5292                                                                                                      
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/21/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  5721360000                                                  1,142.857          26.250              30,000.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  MARCIA E BALDESCHWIELER #                                                                                                       
  818 HUNTINGTON GARDEN DRIVE                                                                                                     
  PASADENA, CA 91108-1726                                                                                                         
  5865940004                                                    723.848          26.250              19,001.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  FRED M DIXON                                                                                                                    
  106 ARIAS WAY                                                                                                                   
  HOT SPRINGS VILLAGE, AR 71909-3427                                                                                              
  5923920005                                                     40.000          26.250               1,050.00                    
  PATRICK DOUGLAS JAMES                                                                                                           
  P O BOX 139                                                                                                                     
  UNCASVILLE, CT 06382-0139                                                                                                       
  6057880009                                                    300.000          26.250               7,875.00                    
  JOHN WESLEY BROWN II                                                                                                            
  222 SULIVAN WAY APT A7                                                                                                          
  EWING, NJ 08628-3417                                                                                                            
  6300450003                                                    190.476          26.250               5,000.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  WILLIAM DENNIS SPROSON                                                                                                          
  ROLLOVER ACCOUNT                                                                                                                
  6930 KINGS HARBOR DR                                                                                                            
  RANCHO PALOS VERDES, CA 90275-4624                                                                                              
  6504000005                                                     18.095          26.250                 475.00                    
  GEORGE B NEAL CUST                                                                                                              
  MEGAN CADE NEAL                                                                                                                 
  UNIF GIFT MIN ACT NY                                                                                                            
  21 FREEDOM WAY                                                                                                                  
  BEDFORD, NH 03110-4623                                                                                                          
  6581840007                                                    190.476          26.250               5,000.00                    
  ROBERT E MC HUGH                                                                                                                
  538 PINGREE AVE                                                                                                                 
  EWING, NJ 08618-2401                                                                                                            
  6582850002                                                    152.381          26.250               4,000.00                    
  RAYMOND R BERLIN &                                                                                                              
  JANICE E BERLIN JT TEN                                                                                                          
  4221 S. MCCARTY AVE                                                                                                             
  ST FRANCIS, WI 53235-5539                                                                                                       
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/21/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  6622280006                                                     86.812          26.250               2,278.82                    
  BARBARA W CHAPMAN CUST                                                                                                          
  STEPHEN B CHAPMAN                                                                                                               
  UNIF GIFT MIN ACT AL                                                                                                            
  308 BROOK HIGHLAND LANE                                                                                                         
  BIRMINGHAM, AL 35242                                                                                                            
  6648180002                                                    190.476          26.250               5,000.00                    
  ELTON A MIRANDETTE CUST                                                                                                         
  NICOLE R ENGVALL                                                                                                                
  UNIF GIFT MIN ACT MI                                                                                                            
  336 SPRUCE ST S E                                                                                                               
  GRAND RAPIDS, MI 49507-3457                                                                                                     
  6689740009                                                    342.857          26.250               9,000.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  THOMAS R TITUS                                                                                                                  
  RT #2 BOX 26A                                                                                                                   
  LAMONI, IA 50140-0026                                                                                                           
  6699460006                                                      6.526          26.250                 171.31                    
  STEVEN M OSTROM                                                                                                                 
  37554 STONEGATE CIR                                                                                                             
  CLINTON TWP, MI 48036-2984                                                                                                      
  6732960000                                                    265.528          26.250               6,970.11                    
  PAMELA POPAT CUST                                                                                                               
  MEENA M POPAT                                                                                                                   
  UNIF GIFT MIN ACT NJ                                                                                                            
  3 KNIGHTS COURT                                                                                                                 
  RANDOLPH, NJ 07869-4600                                                                                                         
  6732970008                                                    369.458          26.250               9,698.27                    
  MANGAL V POPAT CUST                                                                                                             
  VEERESH M POPAT                                                                                                                 
  UNIF GIFT MIN ACT NJ                                                                                                            
  3 KNIGHTS COURT                                                                                                                 
  RANDOLPH, NJ 07869-4600                                                                                                         
  6737600005                                                    666.667          26.250              17,500.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  CARL J WHITE                                                                                                                    
  6049 NORTH TOCITO PLACE                                                                                                         
  TUCSON, AZ 85718-3554                                                                                                           
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/21/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  6757540006                                                     38.207          26.250               1,002.93                    
  THOMAS R TITUS                                                                                                                  
  RT # 2 BOX 26A                                                                                                                  
  LAMONI, IA 50140-0026                                                                                                           
  6782810007                                                     70.998          26.250               1,863.70                    
  RICHARD S ALLEN                                                                                                                 
  408 PINEHURST CT                                                                                                                
  FULLERTON, CA 92835-2734                                                                                                        
  6822950001                                                    200.000          26.250               5,250.00                    
  BERNARD ELMER NELSON CUST                                                                                                       
  DANIEL ELMER NELSON                                                                                                             
  UNIF TFRS MIN ACT CA                                                                                                            
  22130 VILAS LANE                                                                                                                
  SONORA, CA 95370-9354                                                                                                           
  6822960009                                                    100.000          26.250               2,625.00                    
  BERNARD ELMER NELSON CUST                                                                                                       
  DAVID BOYD NELSON                                                                                                               
  UNIF TFRS MIN ACT CA                                                                                                            
  22130 VILAS LANE                                                                                                                
  SONORA, CA 95370-9354                                                                                                           
  6829750008                                                    150.000          26.250               3,937.50                    
  HERBERT J KANDEL AND                                                                                                            
  MARYANN KANDEL JT TEN                                                                                                           
  1889 TAHITI DR                                                                                                                  
  COSTA MESA, CA 92626-3509                                                                                                       
  6866390006                                                    382.510          26.250              10,040.89                    
  OLGA MURPHY                                                                                                                     
  646 WEST NAOMI AVE #9                                                                                                           
  ARCADIA, CA 91007-7501                                                                                                          
  6893110009                                                    100.000          26.250               2,625.00                    
  JACQUELYN E WHITE                                                                                                               
  80 RIVERSEA RD                                                                                                                  
  SEAL BEACH, CA 90740-5971                                                                                                       
  6917270020                                                     38.095          26.250               1,000.00                    
  PHILIP E STUTZMAN                                                                                                               
  SUSAN A STUTZMAN JT TEN                                                                                                         
  2827 45TH AVE SE                                                                                                                
  OLYMPIA, WA 98501-4868                                                                                                          
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/21/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  6920380003                                                    190.476          26.250               5,000.00                    
  ANNELLE CLARK                                                                                                                   
  RT 1 BOX 88                                                                                                                     
  SANTA ANNA, TX 76878-9529                                                                                                       
  6951380008                                                     62.421          26.250               1,638.55                    
  MARY A DUGGAN                                                                                                                   
  4741 RICHARDSON AVE                                                                                                             
  BRONX, NY 10470-1022                                                                                                            
  6961770005                                                     28.571          26.250                 750.00                    
  PHILIP E STUTZMAN CUST                                                                                                          
  JULIE A STUTZMAN                                                                                                                
  UNIF TRANS MIN ACT MA                                                                                                           
  2827 45TH AVE SE                                                                                                                
  OLYMPIA, WA 98501-4868                                                                                                          
  6973280003                                                    616.939          26.250              16,194.65                    
  ARTHUR EDELSTEIN                                                                                                                
  440 SO UNION AVE #7                                                                                                             
  LOS ANGELES, CA 90017                                                                                                           
  6989070003                                                     56.477          26.250               1,482.52                    
  JULIE MARIE WILLIAMS                                                                                                            
  BETTY RUTH WILLIAMS JT TEN                                                                                                      
  422 P BAILEY LOOP                                                                                                               
  WEST POINT, NY 10996                                                                                                            
  8693914580                                                     76.568          26.250               2,009.91                    
  RICHARD C HAMBLET                                                                                                               
  126 ST IVES WAY                                                                                                                 
  SAVANNAH, GA 31419                                                                                                              
  8693977548                                                     57.143          26.250               1,500.00                    
  DOUGLAS WOLK                                                                                                                    
  3100 N E 48TH STREET #507                                                                                                       
  FORT LAUDERDALE, FL 33308                                                                                                       
  8694022596                                                    371.252          26.250               9,745.37                    
  EUGENE G DIAKOFF TR U/A 2/13/91                                                                                                 
  FBO EUGENE G DIAKOFF  REV TRUST                                                                                                 
  7250 RESERVE CREEK DR                                                                                                           
  PORT ST LUCIE, FL 34986-3219                                                                                                    
  8694076760                                                    609.524          26.250              16,000.00                    
  EDWARD C H SCHMIDT &                                                                                                            
  HENDRIKA DERODY SCHMIDT JT TEN                                                                                                  
  706 WAYSIDE AVENUE                                                                                                              
  EASTON, MD 21601-3333                                                                                                           
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/21/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8694133002                                                    319.540          26.250               8,387.93                    
  CLIFFORD H NIEB                                                                                                                 
  C/O GOEKE & GOEKE                                                                                                               
  1000 PROVIDENT BANK BLDG                                                                                                        
  630 VINE ST 10TH FL                                                                                                             
  CINCINNATI, OH 45202                                                                                                            
  8694168634                                                     10.414          26.250                 273.37                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  BETSY FEAGAN COLQUITT                                                                                                           
  ROLLOVER ACCOUNT                                                                                                                
  2601 MCPHERSON AVE                                                                                                              
  FORT WORTH, TX 76109-1416                                                                                                       
  8694216306                                                    513.368          26.250              13,475.91                    
  ELLEN CEDARBLADE TYSON                                                                                                          
  11027 BECONTREE LAKE DR APT 307                                                                                                 
  RESTON, VA 20190                                                                                                                
  8694247504                                                    380.952          26.250              10,000.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  CAROL WEST                                                                                                                      
  612 KEARNEY COURT                                                                                                               
  VIENNA, VA 22180                                                                                                                
  8694320559                                                    304.762          26.250               8,000.00                    
  JOHN E DAMON &                                                                                                                  
  JANE A DAMON JT TEN                                                                                                             
  220 LYON ST NW   STE 525                                                                                                        
  GRAND RAPIDS, MI 49503-2210                                                                                                     
  8694322986                                                     83.810          26.250               2,200.00                    
  WALTER JOHN CALDWELL                                                                                                            
  648 MONMOUTH AVE                                                                                                                
  KENILWORTH, NJ 07033                                                                                                            
  8694352328                                                    671.756          26.250              17,633.60                    
  AMIE B KNOX CUST                                                                                                                
  JULIAN KNOX                                                                                                                     
  UNIF GIFT MIN ACT CT                                                                                                            
  10 WINDING LANE                                                                                                                 
  GREENWICH, CT 06831-3733                                                                                                        
  8694364084                                                     80.610          26.250               2,116.00                    
  KATHY WRIGHT BANKHEAD CUST                                                                                                      
  MICHAEL BANKHEAD                                                                                                                
  UNIF TRANS MIN ACT N C                                                                                                          
  3924 SAGAMORE HILL CT                                                                                                           
  PLANO, TX 75025                                                                                                                 
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/21/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8694419766                                                     79.662          26.250               2,091.13                    
  ROBERT A REID                                                                                                                   
  7185-302 GARDEN PARK LANE                                                                                                       
  MECHANICSVILLE, VA 23111                                                                                                        
  8694448137                                                    100.252          26.250               2,631.62                    
  MANGAL V POPAT CUST                                                                                                             
  MEENA M POPAT                                                                                                                   
  UNIF TRANS MIN ACT NJ                                                                                                           
  3 KNIGHT'S COURT                                                                                                                
  RANDOLPH, NJ 07869-4600                                                                                                         
  8694448994                                                    340.099          26.250               8,927.60                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  THE SELIGMAN DATA CORP                                                                                                          
  401K/THRIFT PLAN                                                                                                                
  ATTN: PENSION PLAN SERVICES                                                                                                     
  100 PARK AVE 2ND FL                                                                                                             
  NEW YORK, NY 10017-5516                                                                                                         
  8694537978                                                    419.048          26.250              11,000.00                    
  CARL WEATHINGTON &                                                                                                              
  MARY FRANCES WEATHINGTON JT TEN                                                                                                 
  512 SOUTH RIDE                                                                                                                  
  TALLAHASSEE, FL 32303-5164                                                                                                      
  8694567105                                                  2,095.238          26.250              55,000.00                    
  SUSAN E HAGMAIER                                                                                                                
  918 CHULA VISTA #2                                                                                                              
  BURLINGAME, CA 94010                                                                                                            
  8694650452                                                    100.000          26.250               2,625.00                    
  ALEXANDER C RILEY                                                                                                               
  180 BROADWAY                                                                                                                    
  COSTA MESA, CA 92627-2819                                                                                                       
  8694682677                                                    952.381          26.250              25,000.00                    
  ELAINE C AUERBACH                                                                                                               
  13100 JASMINE HILL TERRACE                                                                                                      
  ROCKVILLE, MD 20850-3663                                                                                                        
  8694868637                                                  1,500.000          26.250              39,375.00                    
  LORRAINE MCCORMICK TR UA 5-28-92                                                                                                
  FBO LORRAINE MCCORMICK TRUST                                                                                                    
  3440 PINE VALLEY DRIVE                                                                                                          
  SARASOTA, FL 34239                                                                                                              
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/21/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8694963365                                                    338.095          26.250               8,875.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  ELIZABETH JIMENEZ                                                                                                               
  167 SERRES DR                                                                                                                   
  AGUA CALIENTE (SONOMA), CA 95476                                                                                                
  8694963418                                                    332.000          26.250               8,715.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  FRANK JIMENEZ                                                                                                                   
  167 SERRES DRIVE                                                                                                                
  AGUA CALIENTE (SONOMA), CA 95476                                                                                                
  8694981390                                                    253.341          26.250               6,650.20                    
  CANANDAIGUA NAT'L BANK & TRUST CO                                                                                               
  CUST FBO JAMES T TADDEO                                                                                                         
  50 RUNNYMEDE ROAD                                                                                                               
  ROCHESTER, NY 14618                                                                                                             
  8695161852                                                    265.000          26.250               6,956.25                    
  JOHN E COULAHAN &                                                                                                               
  JEAN R COULAHAN TR UA 4-24-95                                                                                                   
  FBO COULAHAN FAMILY TRUST                                                                                                       
  14070 N LOBELIA WAY                                                                                                             
  TUCSON, AZ 85737-7142                                                                                                           
  8696066080                                                     60.000          26.250               1,575.00                    
  NANCY ANN SHREEVES YOUNG                                                                                                        
  889 SATTERLEE ROAD                                                                                                              
  BLOOMFIELD HILLS, MI 48304                                                                                                      
  8696188172                                                     50.000          26.250               1,312.50                    
  SUSAN S O'BRIEN                                                                                                                 
  21 SIMON LANE                                                                                                                   
  LATHAM, NY 12110-5008                                                                                                           
  8696333648                                                     76.190          26.250               2,000.00                    
  JOHN BAKER SAUNDERS                                                                                                             
  8543 8TH AVE NW                                                                                                                 
  SEATTLE, WA 98117-3224                                                                                                          
  8696347401                                                    400.000          26.250              10,500.00                    
  JUDITH E BREEDLOVE                                                                                                              
  3404 LEXINGTON DR                                                                                                               
  TYLER, TX 75701                                                                                                                 
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/21/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8696509708                                                     12.000          26.250                 315.00                    
  JOHN G KAMERLING                                                                                                                
  221 N FEW #4                                                                                                                    
  MADISON, WI 53703-2460                                                                                                          
  8696548765                                                     22.857          26.250                 600.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  BRAULIO O MORRISON                                                                                                              
  2970 WEST 24TH STREET APT 10U                                                                                                   
  BROOKLYN, NY 11224                                                                                                              
  8696584895                                                     76.190          26.250               2,000.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  MICHAEL CUDNEY                                                                                                                  
  4996 CHERRY HILL DR                                                                                                             
  RIVERSIDE, CA 92507                                                                                                             
  8696740994                                                    247.619          26.250               6,500.00                    
  GUILFORD HANESWORTH                                                                                                             
  2034 STAYSAIL LANE                                                                                                              
  JUPITER, FL 33477-1429                                                                                                          
  8696785295                                                  1,087.607          26.250              28,549.68                    
  JOHN R CUNINGHAM EX                                                                                                             
  EST CHARLES EDGAR CUNINGHAM                                                                                                     
  10509 ROBIN HOOD DR                                                                                                             
  EDMONDS, WA 98020                                                                                                               
  8696785311                                                     21.315          26.250                 559.52                    
  TONY MORRIS                                                                                                                     
  PERSONAL REPRESENTATIVE                                                                                                         
  EST CAROL KAHLER                                                                                                                
  203 LINKS LANE                                                                                                                  
  WATERLOO, IL 62298                                                                                                              
  8696786089                                                    948.547          26.250              24,899.36                    
  ANDRIES VAN DAM                                                                                                                 
  55 NYATT ROAD                                                                                                                   
  BARRINGTON, RI 02806                                                                                                            
                                                      -----------------                       ----------------                    
                        PRICE DATE TOTALS                    21,503.378                             564,463.74                    
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/22/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  5721360000                                                  1,142.857          26.250              30,000.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  MARCIA E BALDESCHWIELER #                                                                                                       
  818 HUNTINGTON GARDEN DRIVE                                                                                                     
  PASADENA, CA 91108-1726                                                                                                         
  8694422734                                                    102.564          24.375               2,500.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  THE J & W SELIGMAN & CO., INC                                                                                                   
  MATCHED ACCUMULATION PLAN                                                                                                       
  ATTN: PENSION PLAN SERVICES                                                                                                     
  100 PARK AVE 2ND FL                                                                                                             
  NEW YORK, NY 10017-5516                                                                                                         
                                                      -----------------                       ----------------                    
                        PRICE DATE TOTALS                     1,245.421                              32,500.00                    
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/23/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8694249753                                                    104.105          25.750               2,680.70                    
  GEORGE T O'BRINE CONS                                                                                                           
  FBO GRACE Q O'BRINE                                                                                                             
  24 NORTH STREET                                                                                                                 
  SALEM, MA 01970                                                                                                                 
                                                      -----------------                       ----------------                    
                        PRICE DATE TOTALS                       104.105                               2,680.70                    
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/28/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  4120720001                                                     93.897          26.625               2,500.00                    
  HEATHER DESPRES-BURACK                                                                                                          
  144 MARLBOROUGH RD                                                                                                              
  BROOKLYN, NY 11226                                                                                                              
  4126840003                                                  1,500.000          26.625              39,937.50                    
  ELIZABETH R NORTON                                                                                                              
  FERRY FARM BOX 1                                                                                                                
  MOUNT VERNON, VA 22121-0001                                                                                                     
  4135750002                                                     23.903          26.625                 636.42                    
  DIANE DZIEDZIC &                                                                                                                
  BENNIE R DUDEK JT TEN                                                                                                           
  184 S BIGGS                                                                                                                     
  BELLEVILLE, MI 48111-3617                                                                                                       
  4145050008                                                      5.597          26.625                 149.02                    
  CARL E KIMMEL &                                                                                                                 
  MARY JANE KIMMEL JT TEN                                                                                                         
  ROUTE 3 BOX 3571                                                                                                                
  GALENA, MO 65656-9209                                                                                                           
  4152050004                                                    400.000          26.625              10,650.00                    
  MARCUS W SEVIER                                                                                                                 
  P O BOX 1                                                                                                                       
  ALIEF, TX 77411-0001                                                                                                            
  4189800009                                                     94.026          26.625               2,503.44                    
  CARL E KIMMEL &                                                                                                                 
  MARY JANE KIMMEL JT TEN                                                                                                         
  ROUTE 3 BOX 3571                                                                                                                
  GALENA, MO 65656-9209                                                                                                           
  5012560002                                                  1,165.115          26.625              31,021.19                    
  PENNA COMMANDERY MILITARY ORDER OF                                                                                              
  FOREIGN WARS OF THE UNITED STATES                                                                                               
  GEORGE S GREENE JR                                                                                                              
  415 GATE LANE                                                                                                                   
  PHILADELPHIA, PA 19119-2815                                                                                                     
  5142940008                                                    163.383          26.625               4,350.07                    
  ADELE E FISHEL                                                                                                                  
  C/O DIANE FISHEL BIALICK CO-EX EST                                                                                              
  376 OAK DRIVE                                                                                                                   
  HEWLETT, NY 11557                                                                                                               
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/28/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  5169340007                                                      3.801          26.625                 101.20                    
  BARBARA GORDON & MISS DEBORAH                                                                                                   
  BETH GORDON AS JT TEN                                                                                                           
  892 WESTMINSTER RD                                                                                                              
  WOODMERE, NY 11598-2032                                                                                                         
  5275900004                                                  1,276.995          26.625              34,000.00                    
  BARBARA MALEY                                                                                                                   
  36-38 208TH ST                                                                                                                  
  BAYSIDE, NY 11361-1332                                                                                                          
  5372240008                                                  2,381.483          26.625              63,406.98                    
  ALLEN I SAEKS &                                                                                                                 
  LINDA J SAEKS JT TEN                                                                                                            
  150 SOUTH FIFTH STE 2300                                                                                                        
  MINNEAPOLIS, MN 55402-4223                                                                                                      
  5388170008                                                     20.282          26.625                 540.00                    
  JAMES K SELMSER                                                                                                                 
  112 RICHMOND CIRCLE                                                                                                             
  CHITTENANGO, NY 13037-9442                                                                                                      
  6569590004                                                    454.053          26.625              12,089.16                    
  ELLISA BAKER BRAMSON                                                                                                            
  4722 ROBERTSON RD                                                                                                               
  S7 C6  RR #3                                                                                                                    
  NELSON BC VIL5P6 CANADA                                                                                                         
  6580480004                                                     93.897          26.625               2,500.00                    
  ANNE E WANNEMACHER                                                                                                              
  33 FAIRVIEW AVE                                                                                                                 
  LYNNFIELD, MA 01940-1505                                                                                                        
  6583280000                                                  1,114.241          26.625              29,666.67                    
  CANDACE SUSAN BRENNAN CUST                                                                                                      
  CASEY BRENNAN                                                                                                                   
  UNIF GIFT MIN ACT NY                                                                                                            
  99 ALEXANDER AVE                                                                                                                
  WHITE PLAINS, NY 10606-2007                                                                                                     
  6621260011                                                  1,055.697          26.625              28,107.93                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  RAYMOND A STUMMER                                                                                                               
  7237 ROSEWOOD CIRCLE W                                                                                                          
  NORTH SYRACUSE, NY 13212-3307                                                                                                   
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/28/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  6663770007                                                     23.828          26.625                 634.42                    
  RANDALL ANDRUS BROWN CUST                                                                                                       
  DYLAN RUSSELL BROWN                                                                                                             
  UNIF GIFT MIN ACT CO                                                                                                            
  5035 E ROAD 2 SOUTH                                                                                                             
  MONTE VISTA, CO 81144                                                                                                           
  6665530012                                                    262.911          26.625               7,000.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  LIONEL WEBSTER                                                                                                                  
  P O BOX 1263                                                                                                                    
  CALUMET CITY, IL 60409-0663                                                                                                     
  6678140008                                                  1,029.835          26.625              27,419.36                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  JOHN P MANEY                                                                                                                    
  5 WHIPPLE ROAD                                                                                                                  
  SO HAMILTON, MA 01982-1517                                                                                                      
  6691360004                                                    124.209          26.625               3,307.06                    
  DANIEL CASWELL DAVIS                                                                                                            
  61179 N TRANQUILITY ROAD                                                                                                        
  LACOMBE, LA 70445                                                                                                               
  6701240007                                                    177.465          26.625               4,725.01                    
  JANA ARNOLD TALLCOTT                                                                                                            
  26171 VIA OCEANO                                                                                                                
  MISSION VIEJO, CA 92691-5623                                                                                                    
  6729910007                                                     54.907          26.625               1,461.89                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  BENJAMIN ZUCKERMAN                                                                                                              
  60 FLAMEHILL RD                                                                                                                 
  LEVITTOWN, PA 19056-1908                                                                                                        
  6736450008                                                     67.305          26.625               1,792.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  THOMAS C THETFORD                                                                                                               
  2918 E MARYWOOD LANE                                                                                                            
  ORANGE, CA 92867                                                                                                                
  6793170008                                                     75.117          26.625               2,000.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  PAMELA GRANGER BOURONCLE                                                                                                        
  620 SOUTHWEST 100TH AVENUE                                                                                                      
  PEMBROKE PINES, FL 33025-1008                                                                                                   
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/28/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  6797580003                                                    100.000          26.625               2,662.50                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  ALFRED C CONSTANTS JR                                                                                                           
  4436 GASTON STREET                                                                                                              
  SPRING HILL, FL 34607-2445                                                                                                      
  6803820009                                                    450.704          26.625              12,000.00                    
  BARBARA D KEWIN                                                                                                                 
  150 HOLLYBROOK ROAD                                                                                                             
  BROCKPORT, NY 14420-2504                                                                                                        
  6927770006                                                     22.794          26.625                 606.89                    
  JOSEPH M DELUCA                                                                                                                 
  354 VERONA AVE                                                                                                                  
  ELIZABETH, NJ 07208-1454                                                                                                        
  6944750005                                                    164.687          26.625               4,384.79                    
  NANCY J LAUGHLIN &                                                                                                              
  PATRICIA S LAUGHLIN JT TEN                                                                                                      
  3025 MOTOR AVENUE                                                                                                               
  LOS ANGELES, CA 90064-4734                                                                                                      
  6977360007                                                  1,130.000          26.625              30,086.25                    
  LINKINS & CO                                                                                                                    
  NORTHERN TRUST BANK OF FLORIDA NA                                                                                               
  700 BRICKELL AVENUE                                                                                                             
  MIAMI, FL 33131-2804                                                                                                            
  8693964231                                                     37.559          26.625               1,000.00                    
  JONATHAN M BESSONE                                                                                                              
  309 PALMER TERRACE  APT #2-A                                                                                                    
  MAMARONECK, NY 10543                                                                                                            
  8694024825                                                      8.094          26.625                 215.50                    
  LAURIE BETH YOKEN                                                                                                               
  77 DUDLEY ST                                                                                                                    
  FALL RIVER, MA 02720-5713                                                                                                       
  8694038133                                                     18.779          26.625                 500.00                    
  BRETT P FULTON                                                                                                                  
  1318 YOLANDA DR                                                                                                                 
  YUBA CITY, CA 95993                                                                                                             
  8694043699                                                    563.380          26.625              15,000.00                    
  PHYLLIS E SIMONE                                                                                                                
  BOX 4053                                                                                                                        
  VINEYARD HAVEN, MA 02568-4053                                                                                                   
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/28/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8694048550                                                      5.493          26.625                 146.25                    
  STATE STREET BANK & TRUST CO TR                                                                                                 
  PERMANENTE MEDICAL GROUP INC                                                                                                    
  U/A 4-25-88                                                                                                                     
  FBO BRYAN FONG                                                                                                                  
  225 FRANKLIN STREET                                                                                                             
  BOSTON, MA 02110-2804                                                                                                           
  8694124085                                                    112.676          26.625               3,000.00                    
  INVESTORS FIDUCIARY TRUST CO TTEE                                                                                               
  STEPHEN P NUNN                                                                                                                  
  POST OFFICE BOX 1374                                                                                                            
  SCOTTSDALE, AZ 85252                                                                                                            
  8694190333                                                    192.280          26.625               5,119.46                    
  IRVING LOEB &                                                                                                                   
  EPHRAIM F RUBIN TR                                                                                                              
  THE WINKLER FOUNDATION                                                                                                          
  C/O IRVING LOEB                                                                                                                 
  2514 E 7TH STREET                                                                                                               
  BROOKLYN, NY 11235-6257                                                                                                         
  8694248745                                                     64.005          26.625               1,704.13                    
  CHARLES E CARTER &                                                                                                              
  NADIA CARTER JT TEN                                                                                                             
  21831 KIOWA LANE                                                                                                                
  HUNTINGTON BEACH, CA 92646-7866                                                                                                 
  8694252515                                                  1,500.000          26.625              39,937.50                    
  CLYDE V MYERS &                                                                                                                 
  JOAN B MYERS TR UA 6-15-92                                                                                                      
  FBO THE MYERS FAMILY TRUST                                                                                                      
  1337 PARKWOOD CIRCLE                                                                                                            
  FORT COLLINS, CO 80525-1927                                                                                                     
  8694284919                                                     87.001          26.625               2,316.40                    
  C GEORGE HUSKEY &                                                                                                               
  EILEEN A HUSKEY JT TEN                                                                                                          
  322 MEADOW LN                                                                                                                   
  CIRCLEVILLE, OH 43113-1437                                                                                                      
  8694291965                                                    994.229          26.625              26,471.35                    
  JOHN F BITTER                                                                                                                   
  RT 1 BOX 5B                                                                                                                     
  EDNA, TX 77957-9701                                                                                                             
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/28/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8694339932                                                     20.372          26.625                 542.40                    
  BRIAN R GREENWOOD                                                                                                               
  2460 WOOD OAKS CIR                                                                                                              
  GREEN BAY, WI 54302                                                                                                             
  8694348628                                                    300.000          26.625               7,987.50                    
  ARNON GOLDSTEIN                                                                                                                 
  4424 BAYSHORE CIRCLE                                                                                                            
  TALLAHASSEE, FL 32308                                                                                                           
  8694379504                                                    100.000          26.625               2,662.50                    
  JOYCE C JEROW                                                                                                                   
  377 N WOODWARD AVENUE                                                                                                           
  BIRMINGHAM, MI 48009-5331                                                                                                       
  8694379513                                                    164.622          26.625               4,383.06                    
  LAURIE WEINTROB &                                                                                                               
  SHELDON WEINTROB TR UA 6/1/88                                                                                                   
  MB SAUL NUCIAN                                                                                                                  
  FBO SARI WEINTROB TRUST                                                                                                         
  31182 CLAYMORE ROAD                                                                                                             
  FARMINGTON HILLS, MI 48331-1408                                                                                                 
  8694379522                                                     54.331          26.625               1,446.56                    
  SHELDON WEINTROB &                                                                                                              
  LAURIE WEINTROB TR UA 6/1/88                                                                                                    
  MB SAUL NUCIAN                                                                                                                  
  FBO ERIC WEINTROB TRUST                                                                                                         
  31182 CLAYMORE RD                                                                                                               
  FARMINGTON HILLS, MI 48331                                                                                                      
  8694459972                                                     25.000          26.625                 665.63                    
  KATHRYN A MAHLBERG CUST                                                                                                         
  ABBY K MAHLBERG                                                                                                                 
  UNIF TRANS MIN ACT IA                                                                                                           
  P O BOX 21                                                                                                                      
  EARLING, IA 51530-0021                                                                                                          
  8694466688                                                    226.784          26.625               6,038.12                    
  ANNETTE COLL                                                                                                                    
  107 W FIRST ST P O BOX 246                                                                                                      
  RYDERWOOD, WA 98581-0246                                                                                                        
  8694702995                                                    458.266          26.625              12,201.33                    
  MARK D K HAMAGUCHI                                                                                                              
  219 STARBIRD DRIVE                                                                                                              
  MONTEREY PARK, CA 91755                                                                                                         
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/28/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8694731883                                                     97.653          26.625               2,600.00                    
  MARYA C MCCARROLL                                                                                                               
  15029 KERCHEVAL AVE                                                                                                             
  GROSSE POINTE PARK, MI 48230                                                                                                    
  8694754037                                                     70.000          26.625               1,863.75                    
  MELISANDE HUBBS                                                                                                                 
  BOX 647                                                                                                                         
  DAVIS, CA 95617                                                                                                                 
  8694861484                                                    150.235          26.625               4,000.00                    
  LUIZA J KRAATZ                                                                                                                  
  329 S NORWINDEN DR APT B                                                                                                        
  SPRINGFIELD, PA 19064-3648                                                                                                      
  8695148191                                                    426.978          26.625              11,368.29                    
  JAMES A MOELLER &                                                                                                               
  DEANNA D MOELLER JT TEN                                                                                                         
  14402 N 9TH ST                                                                                                                  
  PHOENIX, AZ 85022                                                                                                               
  8695863087                                                     48.826          26.625               1,300.00                    
  STEPHANIE FARMER                                                                                                                
  218 21ST STREET NW  APT #12                                                                                                     
  OWATONNA, MN 55060                                                                                                              
  8695907753                                                    165.634          26.625               4,410.00                    
  J NICHOLAS LINSMAYER TR UA 2/14/90                                                                                              
  FBO CHRISTOPHER HARRISON LINSMAYER                                                                                              
  TRUST                                                                                                                           
  C/O VILLAUME INDUSTRIES INC                                                                                                     
  2926 LONE OAK CIRCLE                                                                                                            
  ST PAUL, MN 55121                                                                                                               
  8696017375                                                     50.000          26.625               1,331.25                    
  VALERIE HEDRICK                                                                                                                 
  2804 CLEARBROOK DRIVE                                                                                                           
  IRVING, TX 75062                                                                                                                
  8696072055                                                    150.235          26.625               4,000.00                    
  JOHN P TALTON                                                                                                                   
  1630 ALMOND CIRCLE                                                                                                              
  MINDEN, LA 71055                                                                                                                
  8696112324                                                    200.000          26.625               5,325.00                    
  TOM E TALTON SR &                                                                                                               
  VIRGINIA H TALTON JT TEN                                                                                                        
  1201 W MC NEESE ST                                                                                                              
  LAKE CHARLES, LA 70605-5433                                                                                                     
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/28/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
  8696163732                                                    225.352          26.625               6,000.00                    
  CAROLE A BELLICO                                                                                                                
  CONSERVATRIX                                                                                                                    
  FBO REGINA G BUIKA                                                                                                              
  9 MACDONALD ROAD                                                                                                                
  TRUMBULL, CT 06611                                                                                                              
  8696202977                                                     43.956          26.625               1,170.33                    
  CATHY S KUHLMANN                                                                                                                
  C/O ALBERT J LERNER                                                                                                             
  10222 WEST ROAD                                                                                                                 
  HARRISON, OH 45030                                                                                                              
  8696309899                                                    100.000          26.625               2,662.50                    
  SUSAN CORRADI OLMSTEAD                                                                                                          
  3325 CHELSEA DRIVE                                                                                                              
  CLEVELAND HEIGHTS, OH 44118                                                                                                     
  8696404839                                                     37.559          26.625               1,000.00                    
  JESSE BRANDON MONSOUR                                                                                                           
  2985 E AURORA AVE #310 S                                                                                                        
  BOULDER, CO 80303                                                                                                               
  8696722932                                                     63.850          26.625               1,700.00                    
  TRICIA J GREN                                                                                                                   
  705 E MAIN                                                                                                                      
  HAVANA, IL 62644-1530                                                                                                           
  8696789594                                                    926.149          26.625              24,658.72                    
  BARBARA WINZENRIED EX                                                                                                           
  EST RUTH G BAKER                                                                                                                
  811 MAYDOLL DRIVE                                                                                                               
  KENTON, OH 43326                                                                                                                
  8696789629                                                    941.655          26.625              25,071.56                    
  JAMES C CAUSEY JR EX                                                                                                            
  EST JAMES COLVIN CAUSEY                                                                                                         
  C/O RAGEN MACKENZIE INCORPORATED                                                                                                
  999 THIRD AVE  SUITE 4300                                                                                                       
  SEATTLE, WA 98104                                                                                                               
  8696790289                                                     51.109          26.625               1,360.78                    
  MCDONALD & COMPANY SECURITIES INC                                                                                               
  FBO HERMAN E JOHNSON TRUST                                                                                                      
  A/C 20474960                                                                                                                    
  POINTE PLAZA SUITE 500                                                                                                          
  GROSSE POINTE WOODS, MI 48236                                                                                                   
                                                  MONTHLY FORM 23C-1 REPORT                                                       
                                                                                                                                  
                                                 076-SELIGMAN GROUP OF FUNDS                                                      
                                                 097-TRI-CONTINENTAL CORPORATION - COMMON    PRICE DATE   05/28/97                
                                                                 ORDER            COST                  ORDER                     
  ACCT/REGISTRATION                                              SHARES           PRICE                DOLLARS                    
                                                      -----------------                       ----------------                    
                        PRICE DATE TOTALS                    22,212.194                             591,399.62                    
                                                      -----------------                       ----------------                    
                        MONTH-END  TOTALS                   131,034.403                           3,436,139.96                    

                                                      =================                       ================                    

                                                                                                                                  
</TABLE>


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