<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM BALANCE
SHEET AT SEPTEMBER 30, 1996 AND THE STATEMENT OF OPERATIONS FOR THE THREE MONTHS
AND NINE MONTHS ENDED SEPTEMBER 30, 1996 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
       
<S>                             <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1996
<PERIOD-START>                             JUL-01-1996             JAN-01-1996
<PERIOD-END>                               SEP-30-1996             SEP-30-1996
<CASH>                                       2,386,126               2,386,126
<SECURITIES>                                 5,981,645               5,981,645 
<RECEIVABLES>                                  167,631                 167,631
<ALLOWANCES>                                         0                       0
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                             8,675,461               8,675,461
<PP&E>                                       5,508,530               5,508,530
<DEPRECIATION>                               3,500,630               3,500,630
<TOTAL-ASSETS>                              11,693,136              11,693,136
<CURRENT-LIABILITIES>                        2,002,792               2,002,792
<BONDS>                                              0                       0
<COMMON>                                             0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                    136,804                 136,804
<OTHER-SE>                                   8,913,640               8,913,640
<TOTAL-LIABILITY-AND-EQUITY>                11,493,136              11,493,136
<SALES>                                              0                       0
<TOTAL-REVENUES>                               787,798               1,934,934
<CGS>                                                0                       0
<TOTAL-COSTS>                                3,242,881              10,334,798
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                              38,973                 102,012
<INCOME-PRETAX>                            (2,494,056)             (8,501,876)
<INCOME-TAX>                                         0                       0
<INCOME-CONTINUING>                        (2,494,056)             (8,501,876)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                               (2,494,056)             (8,501,876)
<EPS-PRIMARY>                                   (0.18)                  (0.79)
<EPS-DILUTED>                                   (0.18)                  (0.79)
        

</TABLE>