AIR-BREATHERS 135 
striz may be traced upon the shell. It is of a brown 
or chestnut color, and is usually girdled with a 
broad, dark band. Its diameter is three-fourths of 
an inch. 
Epiphragmophora tudiculata, Binney, the Bruis- 
ed Snail, has a shell large, rather thin, marked with 
numerous indentations; umbilicus nearly or com- 
pletely closed, peristome white and thickened near 
the umbilicus. The six whorls are of an olive 
brown color and a rather wide band with a lighter 
space above and below it encircles the body-whorl. 
Diameter upwards of an inch. This is a southern 
species, being found about San Diego, also ranging 
northward through Tulare and adjacent counties 
to the Sierras. Var. umbilicata, Pils. Shell 
smoothish, malleation weak, umbilicus widely 
open, diameter 27mm.; from San Luis Obispo Co., 
Cal. 
Epiphragmophora gabbi, Newe., Gabb’s Snail, 
comes from San Clemente Island. The shells are 
about the size of large peas, thin, light horn-color- 
ed, with a dark band. Var. facta, Newe., is more 
solid and compact. Whitish; peristome yellowish, 
thick, and reflected. From Santa Barbara and San 
Nicolas Islands. 
Epiphragmophora rufocincta, Newe., the Red- 
banded Snail, is a small species from Catalina Is- 
land. The shell is smooth, thin, with a low spire. 
Horn-colored, with the ever present band of chest- 
nut, which marks so many of the California snails. 
Diameter, 17mm. 
