Occasional Papers of the Museum of Zoology 37 



Gastrocopta corticarla (Say). Habitat 41; hardwoods. 



Gastrocopta tappaniana (C. B. Adams). Habitat 45; alder 

 swamp. - I 



Strobilops virgo (Pilsbry). Habitats: 36, 37; 38, 39, 40, 

 41 , 42, 43, 44, 45, 46, 47, 48. The most widely distributed 

 and one of the most common of the smaller land shells. Abmi- 

 dant in the hardwoods and the drier habitats. 



COCHLICOPID.E 



Cochlicopa lubrica (Miiller). Habitat 48; Menominee River 

 Flats. 



SUCCINEID.E 



Succinea avara Say. Habitats : 44 , 48. Damp places. 

 Succinea retusa Lea. Habitats: 3, 14, 17, 27, 28, 44, 49. 

 Abundant in wet places. 



Endodontid-E 



Hclicodiscus parallclus (Say). Habitats: 36, 38, 41, 42, 

 43, 46 , 47, 48. The most abundant species on the Alenominee 

 River Flats (48) ; common in moist places. 



Pyramidula alteniata (Say). Habitats: 36, 38, 39, 40, 41 , 

 43, 46. Widely distributed. All shells obtained were small; 

 the largest: g. diam. 16.4 mm.; alt. 10.4 mm. 



Pyramidula cronkhitei catskillensis Pilsbry. Habitats: 27, 

 38, 39, 40, 41. In the drier habitats; most common in the 

 hardwoods. 



Philomycid-e 



Pallifera dorsalis (Binney). Habitat 41. Only found in 

 a particularly rich piece of hardwoods along the road to Foster 

 City. 



LiMACIDAE 



Agriolimax campestris (Say). Habitats: 16, 38, 44, 46, 

 47, 48, 49. Prefers damper places ; not found in hardwoods, 



