64 THE NAUTILUS. 



109. Polygyra 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. Comilus fulvus (Miill.), 10. 



"27Sb.Conulus chersinus polygyratus (Pils.), 38. 



2s;>. Zonitoides orboreus (Say), 64. 



293. Zonitoides exiguus (Stimp.), 30. 



294. Zonitoides milium (Mse.), 6. 

 315. Agriolimax agrestis (L-), 2. 



333. Pfiilomycus carolinensis (Bosc.), 2. 



334. Philomycus dorsalis (Binn.), 7. 

 344. Pyramidula striatella (Anth.), 40. 

 346. Helicodiscus lineatus (Say), 37. 

 34s. Punctum pygmceum (Drap.), 4. 

 362. Succinea obliqua (Say), 7. 



367. Succinea avara (Say), 1. 

 Carychium exiguum (Say), 17. 



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

 swamps under favorable conditions. 



Pisidium abditum Hald., 30. 

 Limncea caperata Say, 11. 



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

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

 near the base : 



Strobilops virgo Pils., 4. 

 Pupa pentodon Say, 1. 

 Vertigo bollesiana Mse., 1. 

 Comilus fidmis Miill., 2. 

 Zonitoides arbor eus Say, 1. 

 Philomycus carolinensis (Bosc.), 1. 

 Pittsburgh, Pa., Sept. 9, 1900. 



