University of Michigar 



PLATE I 



Carychium. 



Figure i. C. exile H. C. Lea. Side view. 



Figures 2 and 3. C. exile. Hudson County, Ohio. G. H. Clapp, 



Figures 4 and 5. C. exile. Forest Hill, Gratiot County, Michigan. 

 B. Walker Collection No. 24193. 



