SELENITES. 207 



subtriangular, often thickened, as well as the parietal callus in 

 the ad nit and chestnut-tinged. Diam. 12-15 mill. 



Canyon Creek, Trinity Co., and San Diego, Cal. 

 Smaller, flatter, smoother than H. sportella, with more triangu- 

 lar aperture. Ancey has named a variety SIMPLICILABRIS. 



S. HEMPHILLI, W. G. Binney. PI. 61, figs. 1, 2. 



Umbilicus moderate, light greenish yellow, glossy, thin, like 

 Hyalinia, irregularly impressed-striate, but without any trace of 

 revolving lines; whorls five, moderate!}' increasing, the last a 

 little flattened above at the aperture. Diam. 12-14 mill. 



Washington Territory. 

 S. BELCHERI, Pfr. PL 61, fig. 2 a. 



Moderately umbilicated, yellowish, glossy, thin, closely striate 

 above, smooth below, without revolving striae ; whorls 5, moder- 

 ately increasing, the last a little flattened above at the aperture, 



base subplanulate. Diam. 8'3 mill. 



Hob. unknown. 



Dr. J. G. Cooper (Calif. Proc., 254, 1885) thinks this may = 

 S. Hemphilli. The figure in Reeve, which I copy, is not stated 

 to be enlarged, yet it represents a shell much larger than the 

 above species ; perhaps it has not been correctly identified. 



* 

 * * 



S. ANDIUM, Phil. PL 61, figs. 3-5. 



Widely umbilicated, depressed, rather solid, smooth, shining, 

 with close impressed fine growth-stride and minute revolving 

 lines, greenish yellow, occasionally strigate with chestnut-yellow; 

 whorls 5, suture deep, last whorl scarcely flattened above at the 

 aperture. Diam. 31 mill. 



Andes of Chili. 

 S. EUSPIRA, Pfr. PL 61, fig. 6. 



Widel} T umbilicated, discoidal, rather solid, arcuately striate 

 with slight irregular revolving lines, shining, olivaceous orange 

 color; whorls 4J, moderately increasing, suture well impressed. 



Diam. 26 mill. 



Venezuela. 

 S. PAUCISPIRA, Poey. PL 61, figs. T-9. 



Widely umbilicated, subcliscoidal, thin, pellucid, polished, 

 striulate, yellowish white; whorls 4, rapidly increasing, the last 



