[59 ] 



plied figures from type specimens, wherever possible, and hope 

 at a future time to be able to complete their illustration* 



* Hirsute, suhangulate at the peri^phery. 

 \ Nearly Mack, not handed, 



1. Aglaja infumata, Gould. 



Plate 5, figure 6. 



Large, solid, depressed-trochiform, angulate at periphery, 

 suture not much impressed ; whorls 6|, not very convex, 

 closely irregularly rugose-striate, granulate and hirsute; aper- 

 ture rhomboidal, lip very slightly thickened within, scarcely 

 expanded; base convex, umbilicus narrow. Brown, nearly 

 black ; aperture shining, chocolate within. 



Diam. 37, height 16 mill. 



From Humboldt Bay to San Pablo Bay, Gal. 



ff Light brown, with a brown hand, bordered with white on 

 each side, 



2. Aglaja Hillebrandi, Newcomb. 



Plate 5, figure 7. 



Depressed-trochiform; spire not much elevated, apex ob- 

 tuse, suture moderate ; whorls 6, very slightly convex, rather 

 flattened, a little descending at the aperture, finely striate, hir- 

 sute ; periphery angulated ; aperture widely lunate, lip ex- 

 panded ; reflected below, thickened within, umbilicus mode- 

 rate. Yellowish horn-color, the periphery with a red band, 

 bordered with white on either side. 



Diam. 22, height 9 mill. 



Tuolumne Co., Mariposa, Galifornia. 



* For particular information regarding the geographical distribution of 

 the Californian Helices, see a paper by Dr. Wesley Newcomb, in American 

 Journal of Concliology, i., p. 343, Oct., 1805. 



