73b. SUCCINEA AVARA MAJOR Binn. 
Specimens exceeding 10 #77. in length may be referred 
to this variety. It occurs abundantly in some localities both 
in the typical and vermefa form. The largest specimen I 
have seen is of the latter type and is 14 wm. in length. 
73c. SUCCINEA AVARA VERMETA Say. 
Quite common, associated with the typical form and 
inter-grading with it completely. 
74. CARYCHIUM EXIGUUM (Say). 
Common and of general distribution. 
CARYCHIUM EXILE H. C. Lea 
“I 
Or 
Comparatively rare, but the returns indicate a gencral 
distribution. 
