TRANSACTIONS 



OF THE 



New York Academy of Sciences 



LATE 



LYCEUM OF NATURAL HISTORY. 



VOLUME XI. 



October, 1891, to June, 1892. 



KJiteJ l>y the Kkcordi.ng Secketary, assisted by the Publication CoMMriTKK. 



NEW YORK: 

 PUBLISHED BY THE ACADEMY. 



