7o 



."P University of the State of New York 



BULLETIN 



New York State Museum 



VOL.2, No. 9 

 AUQUST, 1890 



BEAKS OF UNIONID^E 



INHABITING THE VICINITY OF ALBANY, N. Y. 



By WILLIAM B. MARSHALL, M. S. (Lafayette) 



ASSISTANT ZOOLOGIST 



ALBANY 



UNIVERSITY OF THE STATE OF NEW YORK 



1890 



t%£ 



