Plate 17 
From Proceedings of the United States National Museum, except figures 9 and 10, 
which are from American Museum of Natural History, New York 
FIGURE PAGE 
1. Buccinum cnistnaium Dali. 247 
2. Volutopsilts ftlosus Dali . 190 
3. Mohnia robusta Dali . 199 
4. Mohnia exquisita Dali . 202 
5. Mohnia ex quisita Dali . 202 
Typical. 
6. Buccinum diplodctum Dali. 247 
7. Buccinuni bulimuloidcum Dali . 248 
8. Buccinuni rondinum Dali. 249 
9. Buccinum angulosum Gray . 255 
10. Buccinuni angulosum Gray . 255 
11. Buccinu m simulatii m Dali. 251 
