<PAGE> 1
JOHN HANCOCK MONEY MARKET FUND B
SUPPLEMENT TO PROSPECTUS DATED MAY 15, 1995
The section titled "How to Buy Shares" on page 9 is amended to delete the
first paragraph and replace it with the following:
Initial purchases of shares of the Fund may be made by exchanging
amounts invested in Class B shares of other John Hancock Funds into
shares of the Fund or by direct purchases.
The section titled "Contingent Deferred Sales Charge" on page 11 is
supplemented as follows:
A commission equal to 3.75% of the amount invested and a first year's
service fee equal to 0.25% of the amount invested are paid to Selling
Brokers. The initial service fee is paid in advance at the time of
sale for the provision of personal and account maintenance services to
shareholders during the twelve months following the sale, and thereafter
the service fee is paid in arrears.
The section titled "Waver of Contingent Sales Charges" on page 12 is amended to
delete the following circumstance in which the CDSC will be waived on
redemptions of Fund shares:
Redemptions of shares purchased on or after May 15, 1995 other than
pursuant to an exchange and held as shares of the Fund (i.e., not
exchanged) until redemption.
August 21, 1995
1440S 8/95