35 
362 Solen sicarius Gould 
Shell short, slightly curved, truncated in front, white, with 
a glossy yellowish epidermis. 
Vancouver Island to San Quintin, Baja Cal. Japan. 
363 Solecurtus californianus Conrad 
Synonym of ‘lageilus cailfornianus. 
364 Variety Subteres Conrad 
Considered as a distinct species by some authors. 
365 Machaera patula Dixon 
Synonym of Siliqua patula. 
366 Macoma yoldiformis Carpenter 
Straits of Fuca to San Pedro, Cal. Santa Rosa Island (Yates). 
367 Macoma nasuta Conrad 
Kodiak, Alaska to San Diego; Bodega bay, Santa Rosa Island 
(Yates). 
368 | Macoma inconspicua Broderip. 
Arctic sea to Santa Barbara, on Kelp (Yates). 
369 Mera modesta Carpenter 
Santa Barbara, Cal. (Newcomb). 
370 Standella falcata Gould 
Synonym of Spisula falcata. 
371 Psephis lordi Baird. See 2188. 
372 Psephis tantilla Gould 
Straits of Fuca to San Diego, Santa Rosa Island; 25 fathoms. 
373 Merethrix toreuma Gould 
East Indies; Santa Barbara (Yates). 
374 Tapes tenerrima See 2182. 
375 Tapes staminea orbella Carpenter 
In cavities of rocks at Santa Barbara (Yates). 
376 Saxidomus gracilis Gould 
Bodega bay to San Diego; Santa Rosa Island (Yates). 
Considered as a synonym of Saxidomus aratus by some. 
377 Liocardium substriatum major Yates 
Santa Barbara; ‘‘a much larger and more handsome ghell than 
the type.” 
378 Cardium blandum Gould 
Ounga Island, Alaska; Monterey, and Santa Rosa Islands; 
Asia? 
379 Cardium elatum Sowerby 
Synonymy:—Liocardium elatum. 
380 Venericardia borealis ventricosa Gould 
Aleutian Islands; Catalina Island, in 30 fathoms. 
Synonym of Venericardia ventricosa. 
