106 LIMNAA. 
23. LIMNAZA CAPERATA, Say. 
Hald. Monog. 34, t. 11, figs. 1—9. 
Is common throughout the northern and 
western States, and I have it also from several 
Californian localities. 
24. LIMNAA VITREA, Haldeman. 
Hald. Monog. 47, t. 13, figs. 14, 15. 
25. LIMNAZA PALLIDA, Adams. 
Hald. Monog. 47, t. 13, figs. 11—13. 
I doubt the correctness of determination 
of the specimens quoted from California in 
Binney’s “ Land and Freshwater Shells,” 
(80) 
