44 University of California Publications in Geology 



[Vol. 10 



Gastropoda — (Continued) „ Geoi. 



v ' Frequency Range 



Mangilia (Clathurella) conradiana (Gabb) 1 P-E 



Mangilia hexagona Gabb 4 Pl-R 



Mangilia muricidea, n. sp 4 P 



Mangilia oldroydi Arnold 4 PI 



Mitra maura Swainson 4 P-R 



Murex interfossa (Carpenter) 2 P-R 



Murex lurida (Middendorf ) 2 Pl-R 



Murex peritus (Hinds) 2 Pl-R 



Murex, sp 3 



Nassa cooperi Forbes 3 P-R 



Nassa insculpta Carpenter 2 Pl-R 



Nassa mendica Gould 1 P-R 



Nassa perpinguis Hinds 1 M-R 



Natica (Cryptonatica) clausa Broderip and Sowerby 2 Pl-R 



Natica (Euspira) orbicularis Nomland 2 P 



Natica (Neverita) recluziana Petit 2 M-R 



Odostomia, sp. A 4 R 



Odostomia, sp. B 



Odostomia gravida Gould 4 Pl-R 



Odostomia satura Carpenter 4 R 



Olivella intorta Carpenter 3 P-R 



Purpura foliata Martyn 4 Pl-R 



Priehe oregonensis (Redfield) 3 P-R 



Rissoa acutilirata Carpenter 1 P-R 



Seila assimilata (C. B. Adams) 3 Pl-R 



Serpulorbis squamigerous (Carpenter) 2 Pl-R 



Siphonalia gilberti, n.sp 4 P 



Siphonaria, sp 4 



Tornatina cerealis Gould 3 Pl-R 



Tornatina culcitella Gould 3 Pl-R 



Triphoris adversa Montagu 3 Pl-R 



Tritonofusus, sp 



Trophon (Boreotrophon) raymondi Dall, n.sp 2 P 



Trophon (Boreotrophon) gracilis Perry 4 P-R 



Trophon (Boreotrophon) stuarti, var. praecursor Arnold 3 P-Pl 



Turbonilla, sp. A 4 Pl-R 



Turbonilla, sp. B 



Turbonilla tridentata (Carpenter) 4 Pl-R 



Turris (Drillia) modestus, n.sp 4 P 



Turris (Drillia) mercedensis (B. Martin) 3 P 



Turris perversa (Gabb) 1 P-R 



Turris (Drillia) renaudi (Arnold) 3 P-Pl 



Turris (Bathytoma) tryoniana (Gabb) 4 P-R 



Turris (Drilla) inermis(?) (Hinds) 4 P-R 



Turritella cooperi Carpenter 1 P-R 



Turritella jewetti Carpenter 1 P-Pl 



Volutharpa, sp 4 



SCAPHOPODA 



Cadulus nitentor Carpenter 1 Pl-R 



Dentalium hexagonum Dall 3 P-R 



