<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information
extracted from Standish, Ayer & Wood Master Portfolio
form N-SAR for the year ended September 30, 2000
and is qualified in its entirety by reference to
such financial statements.
</LEGEND>
<SERIES>
<NUMBER> 051
<NAME> Standish Small Cap Growth Portfolio
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-END> SEP-30-2000
<INVESTMENTS-AT-COST> 73,855,536
<INVESTMENTS-AT-VALUE> 85,290,316
<RECEIVABLES> 124,107
<ASSETS-OTHER> 6,900,346
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 92,314,769
<PAYABLE-FOR-SECURITIES> 799,544
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 401,432
<TOTAL-LIABILITIES> 1,200,976
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 52,711,230
<SHARES-COMMON-STOCK> 0
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 38,402,563
<NET-ASSETS> 91,113,793
<DIVIDEND-INCOME> 21,238
<INTEREST-INCOME> 351,919
<OTHER-INCOME> 0
<EXPENSES-NET> 1,198,679
<NET-INVESTMENT-INCOME> (825,522)
<REALIZED-GAINS-CURRENT> 23,237,709
<APPREC-INCREASE-CURRENT> 4,130,758
<NET-CHANGE-FROM-OPS> 26,542,945
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 47,181,678
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,008,451
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,198,679
<AVERAGE-NET-ASSETS> 131,632,125
<PER-SHARE-NAV-BEGIN> 0.00
<PER-SHARE-NII> 0.00
<PER-SHARE-GAIN-APPREC> 0.00
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 0.00
<EXPENSE-RATIO> 0.91
</TABLE>
