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381 Lazaria subquadrata Carpenter 
Synonym of Cardita subquadrata. 
382 Verticordia ornata D’Orb 
Shell pearly within, 4 mm high, nearly square in outline, from 
the beak near one corner run about 9 prominent ribs. 
Santa Barbara (Yates); San Pedro, Cal. 
383 Philobrya setosa Cooper 
Santa Barbara (Yates); Cape San Lucas. 
384 Leda hamata Carpenter 
Santa Barbara, in kelp (Yates). 
385 Janira dentata Sowerby 
Santa Barbara (Newcomb). 
Synonymy:—Pecten dentata Sowerby. 
386 Ostrea concaphila Carpenter 
Santa Barbara? (Yates); San Diego? Mazatlan to Panama 
says Dall. 
387 Variety Rufoides Carpenter 
A thin long variety of O. lurida, grown in a current. 
Santa Barbara (Newcomb); San Diego. 
388 Cabrilla occidentalis Fewkes 
Santa Cruz Island, new genus (Yates, in Santa Barbara soc. 
nat. hist. bull. 1:41). 
389 Dentalium hexagonum Sowerby 
Santa Barbara (Yates); Mexico; China; East Indies. 
390 Dentalium indianorum Carpenter 
Vancouver Island (R. E. C. Stearns); Santa Rosa Island 
(Yates). 
Synonym of Dentalium pretiosum Nuttall. 
The Indians used to gather these shells for wampum. The 
Tusk-shell lives partly buried in sand, the small end down; length 
about one inch. 
391 Acmea crebrifilatum Carpenter 
Yates records the typical form, and a variety, from Santa Rosa 
{sland. . 
392 Leptothyra sanguinea Carpenter 
Synonym of Leptothyra carpenteri. 
393 Gibbula parcipicta Carpenter 
Synonym of Margarita lirulata. 
. Santa Barbara, “southern limit’? (Yates); Todos Santos bay 
‘(H. Hemphill). 
394 Margarita acuticostata Carpenter 
Bodega bay to Santa Barbara, “southern limit’’ (Yates). 
Synonym of Margarita lirulata. 
395 Rissoina purpurea Carpenter. 
Synonym of Rissoa reticulata. 
Santa Barbara, northern limit (Yates). 
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