PLATE 40. 



Fig. 1. 238. 1. Cabinaropsis cakinata. ( Pag. 183.) 



1 a, b. Lateral and dorsal views. 1 e. Lateral view of another specimen, showing a more elevated carina. 



Fig. 2. 239. 2. Caeinaeopsis patellifoemis. (Pag- 183.) 



2 a. Dorsal view. 2 b. Lateral view of the same specimen. 



Fig. 3. 240. 1. Belleeophon bilobaths. (Pag- 184.) 



3 a. Dorsal view, showing the sinus of the aperture. 



3 b. Lateral view, showing the involution of the whorls. 



3 e, d. Two views of a smaller specimen. » 



Fig. 4, 6. 241. 2. Belleeophon bilobattts, var. ACTmrs. (Pag- 186.) 



4 a, b. Dorsal and lateral views of the specimen. 5 a, b. Another variety, apparently due to pressure. 



Fig. 6. 242. 3. Belleeophon bilobattts, car. coeeugattts. (Pag. 185.) 



6 a. A specimen which is in a stone with three others, only one of which shows a slight development of the 



dorsal folds. 6 6. A specimen less distinctly corrugated. 



Fig. 7. 243. 3. Bucania eipahsa. (Pag. 186.) 



7 a. View of the back of the shell, showing the strong carina, expanded aperture, and sinus on the dorsal 



margin. 7 b. Lateral view of the same. 



7 e. Transverse section of the last volution, below the aperture. 



7 d, e. Lateral and front view of another specimen, from which the expanded portion of the aperture is broken 



ofT, and showing also a little deviation in form. 



Fig. 8. 244. 4. Bucania bidoesata. ( Pag. 186.) 



8 a. Dorsal riew of a small specimen, preserving a portion of the shell. 

 8 b. View of the aperture, which is very imperfect 



8 e. A fragment, showing the carinse and dorsal band very distinctly. 8 d. The same enlarged. 



8 e. Cast of a larger specimen, imperfect towards the aperture, and showing only the broad dorsal carina. 

 8/. I.ateral view of the same, showing the umbilicus. 

 8 g. Section of the last volution below the aperture. 



