50 AMERICAN JOURNAL 



424 13 Zirphoea crispata, Linn. 



Str. Fuca to San Diego — N. Atlantic. 

 Valves, common on beach. Sjn. ? Z. Grabhii, Tryon, 

 433 14 PJioladidea penita, Conr. 



Str. Fuca to Santa Barbara, 1. w. 

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

 433a 15 Fholadidea ovoidea, Gld. 



Baulines Bay to San Diejio ; 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 intercalata, Cpr. ? 



Farallone Is. to Mazatlan — (in Haliotis.) 

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

 526 18 ParapJwlas Californica^ Conr. 

 Baulines Bay to San Diego. 

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

 528 19 Saxicava plwladis, Linn. 



Str. Fuca to Santa Barbara — L'niversal ? 

 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 Cryptoynya Californica, Conr. 

 Str. Fuca to San Diego. 

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

 382 24 ScJiizothcerus JSfuttaUi, Conr. 



Str. Fuca to San Diego — Sitka — Japan. 

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

 Smithsonian coll. 

 378 29 ClidiopJiora jninctata, Conr. 



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

 3 living, 30 fms. mud. Sta. Cruz, valves, 

 676 33 Tliracia curta, Conr. 



Str, Fuca to San Diego. 

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



483 35 Lyonsia Californica, Conr. 



Str. Fuca to Santa Barbara. 

 Valves, rare, bch. Lives below tides. 

 480 36 Lyonsia tiitida, Gld. 



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

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



