OF CONCHOLOGY. 53 



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



Str. Fuca to Santa Cruz — Ounalaska. 

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

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

 Baulines Bay to San Diego. 

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

 growing ? 

 436d 106 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 Ta2:>es stamiyiea, var. orhella (Cpr. ?) 

 In cavities of rocks. 

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

 499 108 Sazidomus gracilis, Gld. 



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

 1 young, dredged dead. 

 499a 109 Saxidomus NuttalU, Conr. 



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

 Valves, bch. to 20 fms. A brackish water var. of ^ra- 

 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. 

 438 113 Peiricola carditoides, Conr. 



Str. Fuca to San Diego — Sitka. 

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

 460 114 Ghama exogyra, Conr. 



Baulines Bay to San Diego — Mexico. 

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

 460a 115 Chania jjellucida, Sby. 



Farallone Is. to San Diego — S. America. 

 Valves, bch. to. 10 fms. Smithsonian coll. 

 387 117 Cardiiim corbis, Martyn. 



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

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

 639 118 Cardium quadragenarium, Conr. 

 Monterey to San Diego. 

 One valve, 20 fms. Carmel Bay ? 

 368 119 GardAum blandum, Gld. 



Str. Fuca to Monterey — Sitka ; Asia. 

 Many valves, 10 — 20 fms, some fresh. 



