Shells of Teoy and Vicinity. 21 



Amnicola lusteica, Say. De Kay, p. 8T. In the Hudson River 

 near Albany. Rare. 



SUCCINIA, Draparnauld. 



Succinia ovalis, Say. De Kay, p. 53. Common in the Mohawk 

 basin. 



Succinia obliqua, Say. De Kay, p. 53. In the Hudson River, on 

 low islands between Troy and Albany. 



Succinia totteniana, Lea. Tryon's Monog. Terr. Moll., p. 18. Not 

 common. 



HELIX, Linnaeus. 



Helix albolabeis, Say. De Kay, p. 26. Not common. Bald Moun- 

 tain, near Troy. 



Helix alteenata, Say. De Kay, p. 29. Found in decomposing 

 shale, at the foot of Pine Ledges, near Troy. Common. 



Helix aeboeea, Say. De Kay, p. 30. Very common on the low 

 islands in the Hudson River, between Troy and Albany. 



Helix concava, Say. De Kay, p. 33. Sometimes found at Lansing- 

 burgh. 



Helix ciieesina, Say. De Kay, p. 45. Flats of the Mohawk River 

 and its outlets. Rare. 



LIelix exoleta, JBinney. De Kay, p. 27. Near Albany. Locality 

 destroyed. 



Helix fuliginosa, Binney. De Kay, p. 37. Low lands between 

 Albany and Troy. Rare. 



Helix lineata, Say. De Kay, p. 44. Near Albany. Rare. 



Helix monodon, Racket, De Kay, p. 35. In shale, at the foot of 

 Pine Ledge, near Troy. Common. 



Helix mlnuta, Say. De Kay, p. 40. Flats of Mohawk. Common. 



Helix multidentata, Binney. Near Albany. Locality destroyed. 

 (Mr. Whitfield.) 



Helix palliata, Say. De Kay, p. 33. Near Troy. Rare. 



