133 



Helix lineatus, Say. 



Camp D : Animas Valley 1 specimen. 



EioChama, N. Mex. (Bmw<?!/ and Bland); Salmon Eiver, Idaho {Hemp- 

 hill). 



Helix Polyfjyrella, Bid. and J. G. Cp. — Common on Coeur d'Alene 

 Mountains {Cooper). 



Helix Columbiana, Lea. — Hell-Gate Yalley, Montana {Hemphill) ; Fraser 

 Eiver {Lord). 



Helix devia, Gld. — Intruding into Idaho {Binney) ; Deer Lodge Valley, 

 Montana {Hemphill). 



Helix loricata, Gld. — Sierra Nevada {Cooper). 



Helix Mullam., Bid. and J. G. Cp. — Coeur d'Alene mission, Bitter Eoot 

 Mountains and Eiver, Idaho {Cooper) ; Idaho {Binney). 



Helix Jidelis, Gray. — Large but very pale variety, Sumass Prairie, 

 Fraser Eiver {Lord). 



Helix Townsendiana, Lea. — " Both slopes of the Bitter Eoot Mountains, 

 from 2,200 to 5,000 feet high. Large variety at the base of the range to 

 4,800 feet ; small variety in dry i^rairie at junction of Hell-Gate and Bitter 

 EootEiv^ers" {Cooper). Sumass Prairie, Fraser Eiver; small variety 

 Fort Colville, summit of Eocky Mountains {Lord) ; east of Fort Colville 

 Washington Territory {N. W. Bound. Surv.). 



Eemarks. — The small variety from Northwest Idaho has been de- 

 scribed as a new species by Mr. A. D. Brown under the name of Helix 

 ptychophora (Journal de Conchologie, 1870), giving as its habitat Bitter 

 Eoot Mountains and Nebraska. Mr. Bland considers it as a variety 

 only. 



Helix pulchella, Say. 



Camp 11 : Blue Eiver Valley 16 specimens. 



Camp 20 : West of Saguache 4 specimens. 



Camp 21 : Los Pinos Indian Agency 65 specimens. 



Camp 26 : Howardsville, Baker's Park 50 specimens. 



Camp F : Eio La Plata 10 specimens. 



" This American form [minuta] of the Old-World pulchella., Mlill., 

 has only lately been found west of the Eocky Mountains. I obtained 

 an immature specimen near Truckee, in May. * * * Mr. Harford 

 afterward found it common near Donner Lake, a few miles above 

 Truckee ; and Mr. Hemphill has also found them common near White- 

 Pine Mountains. Not having been found north of Canada, its circum- 

 polar distribution, though asserted by Middendorf, is doubtful ; he, like 

 most authors, considering it identical vf'iih. pulchella.''^ — Dr. J. G. Cooper. 



Helix Dupetit-Thouarsi, Desh. — Klamath Lake, Oregon {Jsfewlerry) ; 

 Sumass Prairie {Lord). 



Helix tudiculata, Binn. — Truckee, Nevada {Carlton). 



SUCININ^. 



Succinea Nuttalliana, Lea. 



Camp 9 : Hot Sulphur Springs 30 specimens. 



Camp D : Animas Valley ... 1 specimen. 



"Warm Springs, near Salt Lake, Utah {Reid); Snake Eiver {Nutiall) ; 

 Wright's Lake and Ehett's Lake, Northeast California {Newberry). 



