OF WEST COAST MOLLUSCA. 
612 Tryonia clathrata Stp. 
Colorado Desert, Cal. ; fossil only ? 
613 Tryonia protea Gid. 
Colorado Desert, Cal. ; fossil only ? 
614 Valvata virens Tryon. 
Clear Lake, California. 
615 Truncatella Californica P/. 
San Pedro to San Diego—Mazatlan ? 
616 Jeffreysia Alderi Cpr. 
8. Diego—Cape St. Lucas to Mazatlan. 
617 Jeffreysia translucens Cpr. 
8. Diego. (Buarleeia or Rissoa ?) 
618 Cythna albida Cpr. 
San Pedro—Mazatlan? (=C. tumens Cpr ?) 
619 Diala marmorea Cpr. 
Monterey to San Pedro—Cape St. Lucas. Vita : CA ghien j 
620 Diala acuta Cpr. 
Monterey to Catalina I. 
621 Styliferina turrita Cpr. 
San Pedro; shell-washings. (Palmer coll.) 
622 Radius variabilis C. B. Ad. 
Santa Barbara ‘!—Lower Cal. to Panama. 
623 Luponia spadicea Sw. 
Santa Barbara to San Diego and islands. (PD Fo TION , Vax gel 
624 Trivia Californiana Gray. 
S X 
Monterey to San Diego and islands. Cototeis y Ve quel 
625 Trivia radians Zam. Cott. a 
S. Pedro—Lower Cal. to Peru. 
626 Trivia sanguinea Gray. 
Catalina I. 60 f.—Lower Cal. to Peru. 
. 627 Trivia Solandri Sby. 
Santa Barbara and S. Nicolas I. to Panama. 
628 Erato vitellina Huds. , 
New Year Pt. to San Diego—Margarita Bay. Catatin = 
629 Erato columbella Mz. J e ' 
Monterey to San Diego—Mazatlan. Wey Calatuan 
630 Terebra specillata Hds. 
~ San Pedro—Cerros Is. to San Blas, L. Cal. 
631 Myurella simplex Cpr. 
Santa Barbara to San Diego. 
632 Drillia inermis Hus. 
Santa Barbara to San Diego—Lower Cal. 
633 Drillia inecisa Cpr. 
Su. Fuca, W. T., to Santa Cruz, Cal. 
