New York State Museum. 25 



Limnaea desidiosa, Say., 13 specimens. 



Limnaea sp? 24 specimens. 



Phvsa ancillaria, Say., 6 specimens. 



Physa heterostropha, Say., 6 specimens. 



Planorbis campanulatus, Say., 24 specimens. 



Planorbis trivolvis, Say., 23 specimens. 



Planorbis biearinatus, Say., 24 specimens . 



Planorbis exacutus, Say., 4 specimens. 



Planorbis parvus, Say. A greatly deformed specimen, manuscript label 



containing the name " Valvata deformata." One specimen. 

 Ancylus rivularis, Say., 15 specimens. 

 Gundlachia (Meekiana, Stimpson). 



(See note by Mr. Clarke in American Journal of Science, March, 

 1882.) Three specimens. 

 Valvata tricarinata, Say., 5 specimens. 

 Valvata tricarinata, Say. var. simplex. 



Body- whorl round instead of quadrate; epidermis green instead 

 of straw-color; whorls of spire carinate as in typical 

 specimens. Two specimens. 

 Valvata arenifera, Lea. (Larval insect case, Helicopsyche glabra, 



resembling the shell of Valvata), 1 specimen. 

 Melantho decisa, Say., 30 specimens. 

 Amnicola Sayana, Anthony, 7 specimens. 

 Amnicola porata, Say., 3 specimens. 

 Sphaerium simile, Say., 5 specimens. 

 Sphaeriurn stamineum, Conr., 7 specimens. 

 Helix palliata, Say., Sauquoit, Oneida Co., N. Y., 1 specimen. 



Mr. Robert T. Jackson, Boston, Mass: 



A large series of young oysters and Anomiae, from Buzzard's Bay, 

 Mass., naturally attached to glass slides and other objects; 

 illustrative in part of a paper by the donor on the "Phylogeny 

 of .the Pelecypoda " (Memoirs of the Boston Society of 

 Natural History, Vol. IV. July, 1890.) 



Dr. Charles E. Beecher, New Haven, Conn : 

 Caecum pulchellum, Stimp., Naushon I., Mass., 15 specimens. 

 Helix Cooperi, Binn. Deadwood, N. Dakota, 1 specimen. 

 Melampus bidentatus, Say. New Haven, Conn., 2 vials. 

 4 



