810 AMERICAN JOURNAL 



plied figures from type specimens, wherever possible, and liope 

 at a future time to be able to complete their illustration.'^ 



* Hirsute, suhangulate at the periphery. 



t Nearly black, not handed. 



1. Aglaja infumata, Gould. 



Plate 5, figure 6. 

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

 suture not much impressed ; whorls 6J, 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, Cal. 



f f Light brown, with a broivn band, 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, California. 



* For particular information regarding the geographical distribution of 

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

 Journal of Conchology, i., p. 342, Oct., 1865. 



