600 REPORT— 1863. 



Page, 



381. Anodonta angulata, Lea,+^. feminalis, Gld. Plentiful in Yakima River, 



W. T., Cooper. A series of specimens of varJous ages leads Judge Cooper 

 to endorse Dr. Lea's opinion of the identity of the two species. 



„ Anodonta Oregonensis,ljii&. Bi vers of "W. T., Cooper. 



„ Anodonta Wahlamatensis, Lea. Lagoons in Sacramento Biver, Dr. Trask. 



382. Cardium Nuttalli, Conr. Shoalwater Bay and Puget Sound, Cooper; San 



Franc, Dr. Bigelow, Trash. "The most abundant clam. of Shoalwater Bay, 

 inhabiting sandy mud, a few inches below the surface. The Indians feel 

 for them with a knife or sharp stick with great expertness. In July many 

 come to the surface and die, ? from the sun's heat.' 



„ Cardium qimdragenarium, Conr. One valve. San Luis Obispo, Dr. Antisell. 



„ Ludna Californica, Conr. San Diego, Cassidy. 



„ Cyclas, sp. ind. Whidby's Island ; pools near Steilacoom, Cooper. 



„ Venus staminea, Cour.,4- Venerupis Petitii, Desh.,+ Venus rigida, Gld. [pars], 

 + Tapes diversa, Sby. Shoalwater Bay and Puget Sound, Cooper, Suck- 

 le]/ ; San Francisco, Trask ; San Diego, Lieut. Trowbridge. [To the 

 above synonymy, by Judge Cooper, the large series of specimens in the 

 Smithsonian Mus. compels an assent. He considers Tapes straminea, of 

 Sby. Thes., to be a variety of V. histrionica, but it more probably = T. 

 grata, as Dr. Gould appears to have considered it, having copied Sowerby's 

 error. Conrad named it, not from the colour, as was supposed when quoting 

 it as " straminea," but from the thread-like sculpture (teste Conr. ips.). 

 Whatever be the form, colour, or sculpture of the shell, Judge Cooper 

 remarks in aU the same characters of teeth and hinge ,- we may add also, of 

 the pallial sinus.] 



383. Saxidomus Nuttallii [Coop., non] Conr., + Venervpis gigantea, Desh.,+ Vemis 



maxima, Phil. [?]. Near Copalux River, south of Shoalwater Bay, com- 

 mon at Puget Sound, Cooper; Bodegas, Cal., Trask. "Much superior to 

 the Atlantic quahog as food, but called by the same name. Its station is in 

 somewhat hard sand, near l.-w. mark," J. O. C. [Judge Cooper regards all 

 the Saxidomi of the coast, except S. aratus, as one species. The southern 

 fonn, "with rough concentric strise and brown disc, is Conrad's specif s; 

 "others from Oregon are much smoother, without regular strias." These are 

 S. squalidus, Dash. Dr. Cooper foimd " a fossil variety, in coast-banks 10 

 feet above sea-level, which is well figured in Midd. and (less distinctly) by 

 Desh. A Californian specimen measures 4-8 in. across." The fossils, through 

 disintegration, often assume the aspect of Venus Kennerleyi, the former 

 margins remaining as varical ridges, while the softer interstices have 

 perished.] 

 „ Ve)vus lametlifera, Oonr.,= Venerupis Cordieri, Desh. San Diego, Cassidy. 



384. Lutraria maxima, Midd., = X. capax, Gld. [ = Schizothterus Nuttalli, Conr.] 



Shoalwater Bay, Cooper. San Francisco, Trask. " Lives buried nearly 2 feet 

 in hard sand, near 1. w. mark, its long siphons reaching the surface; also in 

 many parts of Puget Sound up to near Olympia. It is excellent food, and 

 a chief article of ^vinter stores to the Indians, who string and smoke them 

 in their lodges. Length, 7| in. The burrows are found in the cliifs, 10 feet 

 above high water, with all the other MoUusca now living ; and two, not 

 now found, were then common [viz. ?. . .]. The Indians have no tradition 

 as to the elevation, and the ancient trees show no signs of the irregular 

 upheavings which raised the former levels of low water, by successive 

 stages, to a height now nearly 100 feet," J. G. C, 



ff Tellina nasuta, Conr. Common, from L. Cal. to the Arctic Seas. Shoal- 

 water Bay, Cooper ; Puget Sound, Suckle)/ ; San Francisco, Trask. 



„ Tellina edentula [Cpr., Coop., not Brod. and Sby., = il:/acowM secia, vax. edulis, 

 Nutt.]. Puget Sound, Gibbs. 



„ Tellina Bodegensis, Plds. Shoalwater Bay, rare, Cooper; mouth of Umpqua 



River, Valium. 

 385. Sangidnolaiia Californiana, Conr. "Common at the mouth of the Columbia 

 and other rivers, and high up salt-water creeks," Cooper. \_—MacuiHa 

 inconspicua, Brod. and Sby.] 



