50 AMERICAN JOURNAL 



424 13 Zirphoea crispata, Linn. 



Str. Fuca to San Diego — N. Atlantic. 

 Valves, common on beach. Syn. ? Z. Gabbii, Tryon. 

 433 14 Pholadidea penita, Conr. 



Str. Fuca to Santa Barbara, 1. w. 

 Many in clay rock. Sta. Cruz, between tides. 

 433a 15 Pholadidea ovoidea, Gld. 



Baulines Bay to San Diego ; rare. 

 Rare in clay rock. Smithsonian collectors disc. 

 444 16 Netastomella Darwinii, Sby. 



Str. Fuca to San Diego — S. America. 

 One in clay rock, one living, 8 fms. 

 1452 17 Martesia interealata, Cpr. ? 



Farallone Is. to Mazatlan — (in Haliotis.) 

 Santa Cruz, rare. Syn. ? Navea Newcombii, Tryon. 

 526 18 Parapholas CaUfornica, Conr. 

 Baulines Bay to San Diego. 

 One in clay stone, beach. Sta. Cruz, below tides. 

 528 19 Saxicava pJwladis, Linn. 



Str. Fuca to Santa Barbara — Universal? 

 Ten in clay stone, bch. Jewett & Smithsonian coll. 

 562 22 Platyodon cancellatus, Conr. 



Baulines Bay to San Diego. 

 Sta. Cruz, common living, 1. w. Between tides. 

 402 23 Cryptomya CaUfornica,, Conr. 

 Str. Fuca to San Diego. 

 Valves, bch. to 20 fms. Lives in brackish bays. 

 382 24 Schizotluerua NuttalU, Conr. 



Str. Fuca to San Diego — ;Sitka — Japan. 

 Valves, one dead, 30 fms. Lives in brackish bays. 

 Smithsonian coll. 

 378 29 Clidiophora punctata, Qonr. 



Str. Fuca to San Diego, 1. w. to 30 fms. 

 3 living, oO fms. mud. Sta. Cruz, valves. 

 676 33 Thraeia curta, Conr. 



Str. Fuca to San Diego. 

 Valves, rare, bch. (dredged ?) Lives below tides. 



483 35 Lyonsia Calijornica,, Conr. 



Str. Fuca to Santa Barbara. 

 Valves, rare, bch. Lives below tides. 

 480 36 Lyonsia nitida, Gld. 



S. F. Bay to San Diego. (Young?) 

 15 living, 5 — 20 fms. Perhaps = 35. 



