164. LAND SNAILS OF POUGHKEEPSIE. 
Gen. Strobila. 
Strobila labyrinthica, Say.—In leaf mould and stony 
soil; not common; Bech’s woods, James’ woods, 
Glen at Vassar College. 
Fam. Pupide. 
Gen. Pupa. 
Pupa fallax, Say.—Common on the cliffs along the Hud- 
son River. 
Pupa corticaria, Say.—On bark and in moss and grass 
on cliffs ; common. 
Pupa rupicola, Say.—In tufts of grass on cliffs ; rare. 
Cedar Ridge; cliffs at Sunfish Cove. 
Pupa armifera, Say.—In grass on cliffs and on rotten 
logs ; common. 
Pupa contracta, Say.—Under loose bark and in grass 
tufts on cliffs ; common. 
Pupa edentula simplex, Gould.—In leaf mould in cold 
swamps; rare. Glen at Vassar College. 
Gen. Vertigo. 
Vertigo ovata, Say.—Under loose bark and logs; not 
common. Low ground near the Hudson River Driv- 
ing Park. 
Vertigo bollesiana, Morse.—Leaf mould and loose bark ; 
not common. Glen at Vassar College. 
Fam. Stenogyride. 
Gen. Ferussacia. 
Ferussacia subcylindrica, Linn.—Under leaf mould in 
low ground; not common. Glen at Vassar College ; 
Bech’s woods. 
: Hamily Succinide. 
Gen. Succinea. 
Succinea avara, Say.—In grass on cliffs and hillsides ; 
also in cold swamps;common. Cliffs along Hudson 
River; Glen at Vassar College. 
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