University of the State of New York 



BULLETIN 



OF THE 



New York State Museum 



Frederick J. H. Merrill Director 



No. 40 Vol. 8 



October 1901 



' 1 



ANATOMY AND PHYSIOLOGY / 



OF 



POLYGYRA ALBOLABRIS AND LIMAX MAXIMUS 



AND 



EMBRYOLOGY OF LIMAX MAXIMUS 



BY 



GEORGE B. SIMPSON 



Division of paleontology 



I^3(i7f 



ALBANY 



UNIVERSITY OF THE STATE OF NEW YORK 

 I9OI 



M69m-Jeo-30oo 



Price 25 cents 



