<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000887428
<NAME> SMITH BARNEY ADJUSTABLE RATE GOVERNMENT INCOME FUND. CLASS I
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                      137,434,975
<INVESTMENTS-AT-VALUE>                     137,947,220
<RECEIVABLES>                                6,027,641
<ASSETS-OTHER>                                       0
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                             143,974,861
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                   31,247,725
<TOTAL-LIABILITIES>                         31,247,725
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                   119,057,377
<SHARES-COMMON-STOCK>                          296,653
<SHARES-COMMON-PRIOR>                          245,215
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                        (80,229)
<ACCUMULATED-NET-GAINS>                    (6,780,026)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       530,014
<NET-ASSETS>                               112,727,136
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                            7,689,440
<OTHER-INCOME>                                       0
<EXPENSES-NET>                               1,841,428
<NET-INVESTMENT-INCOME>                      5,848,012
<REALIZED-GAINS-CURRENT>                        20,674
<APPREC-INCREASE-CURRENT>                      551,495
<NET-CHANGE-FROM-OPS>                        6,420,181
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                      158,102
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                            3,032
<NUMBER-OF-SHARES-SOLD>                        501,868
<NUMBER-OF-SHARES-REDEEMED>                    465,215
<SHARES-REINVESTED>                             14,785
<NET-CHANGE-IN-ASSETS>                    (16,933,214)
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                  (6,653,936)
<OVERDISTRIB-NII-PRIOR>                       (46,196)
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                          472,169
<INTEREST-EXPENSE>                           2,085,603
<GROSS-EXPENSE>                              1,841,428
<AVERAGE-NET-ASSETS>                         3,076,732
<PER-SHARE-NAV-BEGIN>                             9.85 
<PER-SHARE-NII>                                   0.55
<PER-SHARE-GAIN-APPREC>                           0.04
<PER-SHARE-DIVIDEND>                              0.56
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                              0.01
<PER-SHARE-NAV-END>                               9.87
<EXPENSE-RATIO>                                   1.07
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>