22 



SUBGENUS LEUCOCHTLA, Albeiis. 



I»i;i»A r A 1. 1., IX, Say. 



Sliell fusiform, tuiTited ; wliirls six, smooth ; suture 

 impressed ; aperture lateral, lai'ge ; lip exi)anded but 

 not reiiected ; color brown ; length G mill. Dia. 2^ mill. 



This line species is found in considerable numbers 

 in vai'ious localities. 



I»i;i»A AIt:TlII I^BtA, Say. 



Shell subfusiform, smooth ; whirls six ; peristome 

 white and reflected ; aperture small, oval, with reflected 

 lip, much tliickened within, its extremities nearly 

 joined by a callus on parietal margin ; shell has four 

 teeth in the aperture, on tlie margin of the lip and 

 within ; length 5 mill. Dia. 2^ mill. Abundant. 



l»f 1»A <:0KX14;ARIA, Say. 



Shell subcylindrical ; apex obtuse ; whirls five ; 

 euture impressed ; aperture small, with white, reflected 

 lip ; on jmrietal wall is one tootli ; shell horn colored ; 

 length 2^ mill. Dia. H mill. Abundant. 



SUBFAMILY SUCCmiN".E. 

 GENUS SUCCINEA, Diiap. 



SSJKGBv-^tJS $i;C€I\EA, Duap. 



The animal resembles lldix but is shorter. The 

 species live on the land near the water, and on swamj) 

 grass millions may sometimes be found. For instance, 

 in the Calumet swamps. In our county around swales. 

 I find B. ohllqua, however, in situations somewhat 

 removed from water or damp grounds. On the ap- 



