PLATE 68. 
Page 
Fig. 1, 2, 8 . Bucania profunda. 341 
1 a. Dorsal view of a cast, in which the expanded peristome is shown upon the surface of the 
stone. 
1 b. Lateral view of the same. The representation of the volutions is incorrect. 
2 a. A small specimen in which the expanded portion is broken off. 
2 b. Lateral view of the same. 
3 a. A specimen having a part of the outer volution broken off. 
3 b. The umbilicus, showing three volutions. 
3 c. Dorsal view of the same, showing an obscure carination. 
