UU 
172 
173 
OF WEST COAST MOLLUSCA. 
Mytilus Californianus Conr. 
i) NX > 
Str. Fuca to San Diego—Q. Charlotte’s I. Shuma anqurnd , Cres cork Cus Say 
Mytilus edulis Linn. 
ic. Unwerrel CoG pets 
Monterey, north—Japan; N. Atlantic. _ Ct per 1) 
Mytilus edulis var. glomeratus Gid. 
S. F. Bay, on alga—deformed 4 
Septifer bifurcatus Ave. [Conr.) 
. Farallone Is. to San Diego. (Not Myt. bifure. Coal Dh Cole 
Modiola capax Conr. 
S. Barbara to S. Diego—Lower Cal. and Mex. 
Modiola modiolus Linn. WAAC fi 
Monterey, north—Asia; N. Atlantic. 
Modiola fornicata Cpr. \ 
Monterey to San Pedro. Cotati Del 
Modiola recta Conr. " 
Santa Cruz to San Diego. S- Dujo Wt ane 
Modiola recta var. flabellata Gid. 
Str. of Fuca. 5 
Adula faleata Gid. 
San Francisco to San Diego—New Zealand ? 
Adula stylina Cpr. 
Str. Fuca to Monterey. 
Lithophagus plumula /azl. 
Monterey to $8. Diego—Mexico to Panama. 
Lithophagus attenuatus Desh. 
Monterey, south ‘—Lower Cal. to S. America. 
Modiolaria levigata Gray. NS } é 
Str. Fuca—Japan; N. Atlantic. athe - Fhermagews » Nurmnweal 
Modiolaria marmorata /%s. 
Str. Fuca—Europe. 
Crenella decussata Mont. 
Catalina I. 10—40 fms.—North Europe. Kys he Saw Pedra, aAnth ov heack 
Barbatia gradata Shy. 
S. Barbara to S. Diego—Japan; Mex.andS. A. 
Axineea intermedia Brod. ? 
Monterey to San Diego—South America, Catabura Dd _ 
Axineea septentrionalis Midd. 
Sitka to Aliaska; ‘‘ Ukamok I.” lat. 64. 
Axinzea subobsoleta Cpr. 
Str. Fuca to Farallone Is. (=septent. var 2) 
Nucula tenuis Mont. 
Str. Fuca to S. Barbara—Japan ; N. Atlantic. 
Acila castrensis Hinds. 
Str. Fuca to San Diego—Sitka. 
11 
Coletta, - § Wutgushe| 
She foard, 
