OF CONOHOLOGY. 53 



436b 104 Tapes staminea, var. ruderata, Desh. 



Str. Fuca to Santa Cruz — Ounalaska. 

 Many dead, in clay rock. A rough stunted var. 

 436c 105 Tapes stammea, var. diversa, Sby. 

 Baulines Bay to San Diego. 

 Many living, 1. w. muddy sand. Colored by mud when 

 growing ? 

 436d lOG Tapes staminea, var. tumida, Sby. 

 In cavities of rocks. 

 Rare in clay rock, bch. Take the form of the cavity 

 they grow in. 

 436e 107 Tapes staminea^ var. orhella (Cpr. ?) 

 In cavities of rocks. 

 Rare in clay rock, bch. Grow in burrows of No. 142, 

 499 108 Saxidomus gracilis, Gld. 



Baulines Bay to San Diego — (= aratus, Gld. ?) 

 1 young, dredged dead. 

 499a 109 Saxidomus Nuttalli, Conr. 



S. F. Bay to San Diego — Sitka ? Japan ? 

 Valves, bch. to 20 fms. A brackish water var. o^ gra- 

 cilis, Gld. ? 

 434 112 Rupellaria lamellifera, Conr. 

 Farallone Is. to San Diego. 

 Many in clay rock, bch., 20 young, 10 — 20 fms., dead. 

 Jewett coll. 

 488 113 Petricola carditoides, Conr. 



Str. Fuca to San Diego — Sitka, 

 Many in clay-rock, bch., 5 in 8 fms., liv'g. Jewett coll. 



460 114 Chama exogyra, Conr. 



Baulines Bay to San Diego — Mexico. 

 Valves, bch. to 10 fms. (= reversed pellucida ?) 

 460a 115 Chama pelhicida, Sby. 



Farallone Is. to San Diego — S. America. 

 Valves, bch. to 10 fms. Smithsonian coll. 

 387 117 Cardium corMs, Ms.Ytjn. 



Str. Fuca to S. Barbara — Sitka, Kamtschatka. 

 Valves, bch. to 10 fms. Lives chiefly in brackish bays. 

 639 118 Cardiimi quadragenarium, Conr. 

 Monterey to San -Diego. 

 One valve, 2^0 fms. Carmel Bay ? 

 368 119 Cardium blandum, Gld. 



Str. Fuca to Monterey — Sitka ; Asia. 

 Many valves, 10 — 20 fms, some fresh. 



