DREYFUS INSTITUTIONAL SHORT TERM TREASURY FUND
NSAR-A, 1996-05-30
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011 A000001 PREMIER MUTUAL FUND SERVICES, INC.
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SIGNATURE   JOHN J. PYBURN
TITLE       ASSISTANT TREASURER



<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000912492
<NAME> DREYFUS INSTITUTIONAL SHORT TERM TREASURY FUND
<SERIES>
   <NUMBER> 1
   <NAME> CLASS A
<MULTIPLIER> 1000
       
<S>                             <C>
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000912492
<NAME> DREYFUS INSTITUTIONAL SHORT TERM TREASURY FUND
<SERIES>
   <NUMBER> 2
   <NAME> CLASS B
<MULTIPLIER> 1000
       
<S>                             <C>
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</TABLE>


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