J ‘late 33 
This plate from United States National Museum except figures 7, 8, refigured 
type figures, from American Museum of Natural History, and 12, from Marine Shells 
of Puget Sound and Vicinity. 
FIGURE PAGE 
1, 2,3. Scguenzia giovia Dali. 245 
4, 5, 6. Scguenzia caliana Dali. 244 
7, 8. Bursa calif arnica Hinds. . .. 241 
9. Trophon avalonensis Dali. 34 
10. Trophon tripherus Dali. 40 
Typical. 
11. Trophon multicostatus Eschscholtz. 33 
12. Trophon peregrinus Dali. 36 
13. Trophon stuarti E. A. Smith. 38 
14. Trophon srnithi Dali. 38 
