92 



LAND AND FRESH-WATER SHELLS OF N. A. [pART IIL 



Fig. 182. Waljlamat, near its junction witli the Columbia River. 



^ Prof. Nuttall. My cabinet. Cabinet of Prof. Nuttall. Di- 



[ A^ aiueter .2, length .4 inch. 



\[J This is a small, solid species, and is more oblique than 



Pal. nucha. -f • <lecisa, Say. Like it, the apex is usually ciit off. Round 



the mouth there is a black border, which contrasts with the 



pale horn-colored epidermis. {Lea.) 



Cat. No. 



No. ofSp. 



Locality. 



Willamette River, Or. 



From ■whom received.' 



Fig. 183. 



Fig. 184. 



Leptoxis. 

 fusca. 



Leptoxis 

 fusca. 



Fllimiiiicola fusca, Haldeman.— Shell subglobose, conic, smooth; 

 spire loosened, with excoriated apex. Whirls subangular, forming pos-. 

 teriorly a slight projection on account of 

 the labium turning abruptly at the suture, 

 which is thus made conspicuous. Aper- 

 ture rounded, posteriorly produced into a 

 moderate angle. Columella thickened, some- 

 what concave, scarcely emarginate. Peri- 

 treme nearly uniform. Color reddish, la- 

 brum white. 



Inhabits Oregon Territory. 

 Somewhat resembles the preceding (L. pisum), but easily distinguished 

 by the straighter labium and want of columellar emargination. In Fig. 

 84 the lines of growth are heavier, and a disposition 

 Fig. 185. ig seen to form encircling stride. {Hahltman.') 



Leptoxis funca, Haldeman, Mon. Lept. 4, pi. iii, iv, 

 f. 83, 84 (1847?). 



To this species, of which the original de- 

 scription and figures are given above, I refer 

 numerous specimens from Utah, Oregon, &c., 



Leptoxis fusca. 



in the collection. 

 Reeve quotes this species as Anculotus fuscus in the synonymy 

 of Anc. nutlalli. 



Cat. No. 



9221 

 9222 



No. ofSp. 



Locality. 



Head of Greea R., Utah. 

 Shores of Lake Utah. 



From whom received. 



Malloney. 

 Capt. Barton. 



