23 



proacli of cold weatlier the sjjecies imitate the habits 

 of the Helix. The shells are oblong in shape, and 

 have from three to four whirls,— tlie last much the 

 largest 



SlJCCII^'KA. oni.lQi;A, Say. 



Shell oblong, ovate ; whirls three, the last very large 

 iind expanded ; lip acute ; shell straw colored, and 

 moderately thick and lirm ; length f of an inch. 

 Abundant. 



This tine species grows large in this county. The 

 texture is thicker than usual. 



SUCCIliEA AVAKA, S.vy. 



Shell thin ; whirls three ; shell straw colored ; length 

 f of an inch. Abundant \m meadows in Deer Park. 



.«»lJC<^i.\EA KETUSA, Le.i. 



Shell ovate, oblong, thin, yellowish ; whirls tliree ; 

 aperture dilated and drawn back below; length 14 

 mill. Abundant. 



This line species is longer than the one described by 

 Dr. Lea, but his description was drawn from a single 

 specimen. My shell is the mature specimen. 



SUBORDER LIMISTOPHILA. 



FAMILY AURICULIDiE. 



OE'MJ.S CARYCIIIIff, Muller. 



Carychinm <>xigrnnm, s.\y. Shell elongated, taper- 

 ing ; apex obtuse ; whirls five to six ; suture impres.sed ; 

 aperture obliquely oval, Avhite ; lip thick, reflected, 

 flattened ; umbilicus perforated ; a plait-like tooth on 



