MOLLUSCA OF NEW YORK 77 



Pisidium affine Sterki 

 Pisidium affine Stk. Sterki, Naut. 1901. 15:66 



Pisidium sargenti Sterki 

 Pisidium sargenti Stk. Sterki, Naut. 1901. 15:67. (Mohawkriver) 



Pisidium strengii Sterki 

 Pisidium strengii Sik. Sterki, Naut. 1901. 15:126. (Little Lakes) 



Pisidium streatori Sterki 



Pisidium streatori Stk. Sterki, Naut. 1901. 14:100. (Cana- 

 saraga river) 



Pisidium punctatum Sterki 



Pisidium punctatum Stk. Sterki, Ms. Nov. 1901. (Herkimer 

 county) 



Pisidium pauperculum Sterki 

 Pisidium paupercul urn Stk. Sterki, Ms. 1901 



Pisidium walked Sterki 

 Pisidium walkeri Stk. . Sterki, Ms. 1901. (Mohawkriver) 



Pisidium roperi Sterki 

 Pisidium roperi Stk. Sterki, Ms. 1901 



Pisidium rotundatum Sterki 

 Pisidium rotundatum Stk. S'.erki, Ms. 1901 



Pisidium splendidulum Sterki 

 Pisidium splendidulum Stk. Sterki, Ms. 1901. (Long Island) 



Pisidium scutellatum Sterki 

 Pisidium scutellatum Stk. Sterki, Ms. 1901. (Chautauqua 



lake) 

 Pisidium scutellatum Stk. Letson, N. Y. State Mus. Bui. 45. 



1901. p.248. (Goat island. Post-Pliocene) 



Pisidium medianum Sterki 

 Pisidium medianum S'k. Sterki, Ms. 1901. (Mohawk) 



Pisidium ultramontanum Prime 



Pisidium ultramontanum Prime. Letson, N. Y. State Mus. 

 Bui. 45. 1901. p.248. (Goat island. Post-Pliocene) 



Genus CYCLAS Bruguiere 

 Cyclas islandica Linnaeus 



Cyprina islandica Linn. DeKay, Nat. Hist. N. Y. 1843. p. 21 5 

 Cyprina islandica Linn. Smith & Prime, An. Lye. N. Y. 1870. 

 9:387. (Montauk point) 



