No. 112.] 37 



3 Maegaritana UNDULATA, Lea, 



Alasmodon UNDULATA. Dekay's New-York Fauna, Part V, pa. 198, 



pi. 15, f. 227. 



A. id Say. A. undulata, Gould. 



A. id Barnes. A. id Adams. 



One variety, Seneca lake; and one from Crooked lake, sent by Dr. S art- 

 well. 



ANODONTA, Brtjg. 



1 Anodonta gigantea, Lea. 



A. GRANDIS? Kaf. 



This specimen is from Seneca lake, and sent by Dr. Sartwell. A large 

 species. 



2 Akodonta pavonia, Lea. 



Anodon pavonia. Dekay's New- York Fauna, Part V, pa. 203, pi. 11, 

 f. 358. ( Well described and figured.) 



From Crooked lake, and sent by Dr. Sartwell. 



3 Anodonta footiana, Lea. Not before credited to the State. 



Two varieties from Genesee river. 



4 Anodonta lewisii. Lea. 



Anodon fluviatilis. Dekay's New-York Fauna, Part V, pa. 203, pi. 

 18, f. 234. 



Anodonta fluviatilis, G-ould. Adams. 



A. cataracta, Say. Lamarck. 



Three varieties from Genesee river. Taken the 17th Dec, from the 

 canal; the outer gill was swollen with eggs, 



5 Anodonta fragilis, Lam. Lea. 



Two varieties from Cayuga lake, where it abounds. 



6 Anodonta ferussaciana, Lea. 



Anodon ferussaciana. Dekay's New-York Fauna, Part V, pa. 200, pi. 



15, f. 230. 



One variety from Genesee river. Eggs abundant in the ovaries on the 

 17th Dec, when taken from the canal. 



