664 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [162] 
Fie. 
Via. 
Fic. 
Fia. 
FIG. 
Fic. 
Fig. 
Fia. 
Fig. 
136. 
137. 
138. 
139, 
140. 
141. 
142. 
144. 
145. 
/ 
PrATE) XA, 
Diplodonta turgida V. & S. Interior view of left valve of another specimen, 
enlarged one and one-half diameters. 
Yoldia thraciformis. Side view of the shell and living animal-in expansion, 
two-thirds natural size. 
The same. Ventral view of the shell and living animal, two-thirds natural 
size. 
Yoldia sapotilla. Side view of the shell and living animal in full expansion, 
ove and one-half times natural size. 
Leda acuta. Interior of left valve, enlarged four diameters. 
Pecten vitreus, natual size. 
Pecten pustulosus V. One of the type specimens, enlarged two diameters ; 
a, lower valve; b, upper valve of the same specimen. 
Culeolus Tanneri VY. Side view of oue of the type specimens, natural size ; 
a, front view of the same specimen. 
The same. Side view of another type specimen, natural size ; b, posterior 
view of the same specimen. 
Figs. 144 and 145 were drawn from specimens preserved a short time in 
alcohol. 
; 
‘ 
ae - 
