ACADEMY OF SCIENCES. 151 



7 A n d n t a a n g u 1 a t a Lea. " Narrows " of Clear Lake, and San 

 Joaquin River to bend. 



8 A. W a h I a m a t e n s i s Lea. Clear Lake, and south to Kern Lake. 



9 Arioi.imax NIGER Cp. Near San Francisco and Saucelito. Mt. Diablo 

 Range — Yates. Pescadero — Wackenreuder. 



10 Arion (?) Andersonii Cp. East side of S.F. Bay, and south to Santa 

 Cruz. These, with another new species of Limacida;, will shortly be published 

 with illustrations. 



11 LiMAX CAMPESTRis Binuey. Clear Lake to Santa Cruz. Alta 3,625 

 feet elevation Nevada county, and Truckee, 5,806 feet on east slope. Probably 

 also in valleys and throughout California, as it is found everywhere eastward. 



12 Succinea rusticana Old. Clear Lake, and probably Mojave 

 River. Also White Pine region — Hemphill. 



13 S. N ut tall i ana Lea. Clear Lake, and probably Mojave River. 

 Rare in California. Near Fort Hall — Dr. Reid. 



14 Vitrina Pfeifferi Newc. White Pine Mts.— Hemphill. Indian 

 Valley, Plumas county — Voy. 



15 Hyalina Breweri Newc. Hunter's Point, S. F. county, very rare. 

 Will probably prove a variety of the next. 



16 H. ARBOREA Say. Whorls 4 or 5, higher, and larger than last, color 

 darker brown ; diani. 0.22, alt. 0.12. West side of Johnson's Pass, 1864, from 

 3,650 to 5,000 feet elevation, Portland, Oregon, and Clark's Ranch, Mariposa 

 county, 4,000 feet elevation— Z)«iui. Indian Valley and San Gorgouio Pass 

 — Voy. Also New Mexico and whole of Eastern United States. 



17 Conulus chersina Say. White Pine Mts. — Hemphill. 



18 PsEUDOHYALi.VA Mazatlanica Pf. Whorls 4, larger, smoother, and 

 lower than Ps conspecia; diam. 0.10, alt. 0.03. Lone Mountain, S. F. county 

 —Ball, Rowell. ♦' Mazatlan "—Ffeiffer (doubtful). 



19Patula Cronkhitei Newc White Pine Mts. and Northern 

 Utah — Hemphill. Common. Truckee, and at Mariposa Big Tree Meadows — 

 Dunn. Is often confounded with P. Whitneyi, which is either a smoother 

 variety of this or a flat smoky variety of H. arborea, but is quite variable in 

 degree of smoothness. The southern specimens are usually smoky, but some are 

 found pale like the types from Klamath Lake. Scarcely distinct from .s^rzaie/Za 

 A nth. 



20 "Helix" (Anguispira?) Haydenii Gabb. Whorls S)-^, depressed turbin- 

 ate, with 9 or 10 revolving ribs ; diam. *0.80, alt. *0.55. Mountains east of Salt 

 Lake, Dr. F. V. Hayden. (Amer. Jour, of Conch., V., p. 24, pi. 8., f. 1, 1 869.) 



21 " Helix " (Anguispira ?) Hemphillii, Newc. Whorls 5, subturbinate, 

 strongly angled, with wide flattened spaces above and below the angle. Pale 

 brown, a darker hand above the angle, narrower ones below and at the suture. 

 Lines of growth strong, and crossed by about six rows of faint tubercular ribs 

 below, fainter ones above ; diam. *6.25 to 0.70, alt. *0.40 to 0.45. 



White Pine Mts., H. Hemphill. Bears a similar relation to the last as A ? 

 strigosa to Cooperi. (Amer. Jour, of Conch., V., p. 165, pi. 17, f. 4, 1870.) 

 Ammonitella Cp., (Amer. Jour, of Conch., IV., 209, 1869.) Ammonite- 



