THE NAUTILUS. 15 



Vitrea cryptomphala Clapp. With the above but not as 

 plentiful. 



Euconulus fulvus (Mull). Not found often. 



Zonitoides arborea (Say). All situations, numerous. 



Zonitoides limatula (Ward). Lowland timber, scarce. 



Zonitoides minuscula (Binney). Not common. 



Zonitoides milium (Morse). With the above, scarce. 



Taxodonta significans (Bland). One dead specimen. 



Agriolimax campestris (Say). During wet seasons they do 

 more or less damage to the fruit in the strawberry fields. In 

 the fall of 1916 they were innumerable in the orchard. 



Philomycus carolinensis (Bosc.). Common. 



Pyramidula solitaria (Say). Under leaves in timber; like 

 many of the species found here these are of small size. 



Pyramidula alternata (Say). A few found in one place. 



Pyramidula perspectiva (Say). Common in the bottom 

 lands. 



Helicodiscus parallelus (Say). Rather scarce, a few have 

 been found in cellars. 



Punctum pygmaeum (Drap. ). Generally distributed. 



Sphyradium edentulum (Drap.) One specimen only, 

 although careful search was made in the same place three 

 times. 



Succinea concordialis Gould. North of the R. R. bridge on 

 the west side of the embankment, where they were found for 

 three or four years; of late they have disappeared. 



Succinea avara Say. Individuals are scattering but found in 

 various situations; some difference in size. 



Carychium exile H. C. Lea. Wet place below the reservoir, 

 numerous under fallen leaves. 



Pseudosuccinea columella (Say). Generally distributed in 

 the creeks. 



Galba caperata (Say). In pools of a small branch near 

 Sheller lake. 



Galba modicella (Say). Pools and mud of a dry branch, 

 Hinkley farm. 



Planorbis trivolvis Say. Beaucoup creek and Sheller lake. 



Planorbis antrosus Conrad. Little Muddy and Beaucoup 

 creeks and Sheller lake. 



