d Back view of ditto. 
: e. Front view of a cast. s 
4% f. Ditto of ditto, shell partly preserved. Young st 
iy fi gy. Back view of a cast of a young shell. : 
ee A. ‘Front view of ditto. Svcd: 
a ; ote ‘Back view, var. abdreviata. 
ag _k. Front view, ditto. 
2. Limnza caudata. No. 30, p. 83. 
a. Side view. \ \ 
6. Front view. .-. ae 
c. Ditto, var. abbreviata. 
3. Limnea longiseata. No. 32, p. 85. 
a a. Back view, intermediate state of growth. 
b. Front view, ditto. 
c. Front view, adulshell. 
d. Back view, ditto. 
e and g. Back views, var. distorta. 
f and h. Front views, ditto. 
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