LIMN^A, 



4t 



Fig. Go will be of interest, as it is copied from 

 Moquia-Tandon's figure of Limneea jjalust?ns of 

 France. 



Reeve points out the strong" resemblance, if not 

 identity, of the European and American shells. 



Fig. 66 represents some of the forms of this variable 

 species which are represented in the Smithsonian col- 

 lection. 



Fig. 66. 



Fig. 65. 



Varieties of Lvmnmo. prilustris. 



