122 WEST AMERICAN SHELLS 
pointed tail, which was collected at Niles, Cal., 
though it probably lives in the neighboring parts 
of the Santa Clara valley. 
Hemphillia glandulosa, Bl. & Bin., the Hemphil- 
ha, is a curious little mollusk that lives in Oregon 
and Washington. When extended it is an inch or 
two long, but on its back is a hump, and on the 
hump is a shell, brownish, flattened, and seale-like, 
one fifth the length of the animal. The color is 
smoky white, with dark brown blotches, running 
from the mantle to the foot. 
Binneya notabilis, Cooper, the Binneya, is a euri- 
ous Mexican form found on Santa Barbara Island. 
The shell is ear-shaped, light, thin, and horn-eol- 
ored. It is not large enough to cover the snail- 
shaped animal. The shell is 7 to 14mm. in length. 
Pyramidula asteriscus, Morse, the Star Snail, 
(Helix asteriscus), is a very small snail, being 
about one sixteenth of an inch in diameter. When 
examined with a microscope it shows a low spire 
and a large umbilicus, while its four whorls are 
marked by many minute, sharp cross-ridges; its 
col6r is brown. It is widely distributed, living in 
wet grass, from New England to California. 
Pyramidula (Helicodiscus) lineatus, Say, the 
Little Lined Snail, has a discoidal shell an eighth 
of an inch across, in which the four whorls are 
coiled up almost in the same plain, with raised 
lines revolving upon them. It is found all over the 
United States. 
Oreohélia  striatélla, Anthony, the Ribbed 
Snail. This is another small snail, having a shell 
