64 THE NAUTILUS. 



109. Pohjgyra albolabris (Say), 17. 



141. Polygyra monodon (Rack.), 10. 



181. Strobilops virgo (Pils.), 124 (17 albino, the others reddish). 



199. Bifidaria pentodon (Say), 9. 



225. Vert igo gouldii ( B i n n . ) , 16. 



260. Vitrea hammonis (Strom), 9. 



264. Vitrea binneyana (Mse.), 13. 



268. Vitrea ferrea (Mse.), 20. 



278. Conulus fulvus (Mull.), 10. 



'278b.Comdiis cher sinus poly gyratus (Pils.), 38. 



283. Zonitoides arboreus (Say), 64. 



293. Zonitoides exiguus (St imp.), 30. 



294. Zonitoides milium (Mse.), 6. 

 315. Agriolimax agrestis (L.), 2. 



333. Philomycus carolinensis (Bosc), 2. 



334. Philomycus dorsalis (Binn.), 7. 

 344. Pyramidida striaiella (Ar.th.), 40. 

 346. Helicodiscus lineatus (Say), 37. 

 34X. Punctum pygmozum (Drap.), 4. 

 362. Suceinea obliqua (Say), 7. 



367. Suceinea avara (Say), 1. 

 Carychium e.viguum (Say), 17. 



The following species occurred in the mud in places that would be 

 swamps under favorable conditions. 



Pisidium abditum Hald., 30. 

 Limncea caperata Say, 11. 



While out driving one day, I stopped on Mt. Agamenticus, Me., 

 for about twenty minutes, and got the following on the eastern side 

 near the base : 



Strobilops virgo Pils., 4. 



Pupja pentodon Say, 1. 



Vertigo bollesiana Mse., 1. 



Conulus fulvus Mull., 2. 



Zonitoides arbor exis Say, 1. 



Philomycus carolinensis (Bosc), 1. 



Pittsburgh, Pa., Sept. 9, 1900. 



