Fig. 
LE 
2 and 3. 
‘ 
TAB. XIII. 
Limnza subquadrata. No. 41, p. 92. | 
a. Front view. : 
6. Back view. 
Limneea pyramidalis. No. 31, p. 84. 
a, a. Front views. 
6, 6. Back views. 
. Limnea sublata. No. 35, p. 88. 
a. Side view. 
6. Front view. 
. Limnza mixta. No. 36, p. 88. 
a. Front view. 
6. Back view. 
. Limnea tumida. No. 39, p. 9). 
a. Front view. 
6. Back view. 
. Limneea convexa. No. 42, p. 92. 
a. Front view. 
6. Back view. 
Limnea fusiformis. No. 38, p. 90. 
a. Back view of specimen from Headon Hill. 
6. Front view, ditto. 
c. Back view of ditto. Var. deformis, intermediate size. 
d. Front view of ditto ditto adult shell. , 
e. Back view of ditto ditto ditto 
J, g. Front views of shells from Sconce. Intermediate stage 
of growth. 
9. Limnea columellaris. No. 40, p. 91. 
10. 
a. Front view. 
6. Back view. 
Limnzea costellata. No. 43, p. 93. 
aand 6. Front views. 
