58 AMERICAN JOURNAL 



1214 341 Limnophjsa ferruginea, Hald. 



"Oregon." (=liumilis, Say?) 

 Santa Cruz, common in streams. 



840 364 Physa aahUi, Tryon. 



Mountain Lake, S. F. Co., to Los Angeles. 

 Santa Cruz, common in San Lorenzo R. 

 1234 378 Planorhis tumens, Cpr. 



Petaluma, Cal., to Mazatlan. 

 Santa Cruz, in San Lorenzo R. 

 854 381 Gyraulus vermicular is, Gld. 



Walla Walla, W. T., to Santa Cruz, Cal. 

 Santa Cruz, in San Lorenzo R. 

 1197 395 Ancylus fragilis, Tryon. 



San Francisco to Santa Cruz. 

 Santa Cruz, in San Lorenzo R. 

 346 402 Dentalium Indianorwn, Cpr. 

 Str. Fuca to Santa Barbara. 

 12 living, many dead, 20 — 30 fms. Probably =pretio- 

 swm, Nutt. 

 830 406 CryptocMton SteUeri, Midd. 



Str. Fuca to Monterey — Kamschatka. 

 Santa Cruz, 1. w., common. Smithsonian coll. 

 517 408 Tonicia lineata, Wood. 



Str. Fuca to Monterey — Sitka ; Kamtscliatka. 

 Valves, bch., 1 living, 7 fms. rock. Smithsonian coll. 

 310 410 Mopalia muscosa, Ghl. 



Str. Fuca to San Diego. 

 Many living, 1. vv. Nuttall and Smithsonian coll. 



411 Mopalia Wossnessenskii, Midd. ? 



Str. Fuca to Santa Cruz — Sitka. 

 Santa Cruz, 1. w. 

 1412 412 Mopalia KeimerUyi, Cpr. 



Str. Fuca, W. T., to Monterey. 

 Valves, on bch. 



1367 414 Mopalia Jlindsii, Gray. 



Str. Fuca to Monterey. 

 Santa Cruz, 1. w. 



1368 416 3Iopalia vespertina, Gld. 



Str. Fuca to Monterey, Cal. 

 Santa Cruz, common. Probably = next. 

 1368a 417 Mopalia lignosa, Gld. 



Str. Fuca to Monterey — Sitka. 

 Valves, bch. Hartweg coll. 



