Land and Fresh 



OF 



ONONDAGA COUNTY AND NW70RK STATE? 



BY KEY. W. M. BEAUCHAMP. 



Mollusca of Onondaga. 



In these notes on Onondaga shells collected by me, sub- 

 generic names are omitted, and Dr. Lewis' general system 

 followed. 



Helicodiscus lineatns. Morse. Small, flat, yellowish 

 green, with revolving lines. Wet places, under 

 wood. 



Macrocyclis concava. Say. Medium, greenish white, com- 

 mon, carnivorous. 



Slugs have short shields instead of shells, and the follow- 

 ing are found in gardens and fields. Prolific and active- 

 Li max agrestis. L. Grey slug, breathing hole large, 

 flavus. L. Larger and brownish, 

 campestris. Binney. Smaller, blackish and slender. 

 The following shells have simple lips and wide umbilicus. 

 Helix alternata. Say. Alternate spots of red, common, 

 perspective, Say. Small, saucer-shaped, reddish. 

 Dead wood. 



striatella. Antli. Smaller, brown, with sharp ribs. 

 Stones. 



The following have thick lips when mature, mostly with 

 teeth. 



Helix lab vrinthica. Say. Small, conical, rare. Onondaga 

 Hill, 



monodon. Rackett. Small, brown, downy, tooth- 

 linear. I have one with two parallel teeth. Also 

 variety fraterna. 



palliata. Say. Larger, brown, hairy, several teeth, 

 rarer. 



tridentata. Say. Smaller, reddish, 3-toothed, 

 smooth, common. 



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