CLASS GASTROPODA 
63 
the whorl; the varices are narrower and the peristome less heavy and 
wide. Length, 3.25; max. diameter, 1.6 mm. (Dali.) 
Type in United States National Museum, No. 110430. Type locality, 
Monterey, California. 
Range. Monterey, California, to Gulf of California. 
Epitonium berryi Dali, 1907 
Nautilus, 20:127. 
Shell small, white, six-whorled; nuclear whorls polished, smooth, 
without varices; later whorls with rather strong, reflected, faintly axially 
striated varices, on the last whorl about twenty or twenty-one in number; 
these varices are quite close-set, not angulated in front of the suture 
and markedly reflected, with the interspaces smooth; base with no basal 
disk or cord, the coil imperforate, the peristome rather callous on the 
pillar side. Long., 3.5; diameter, 1.75 mm. (Dali.) 
Type in United States National Museum, No. 107724. Type locality, 
San Pedro Bay, California, in 200 fathoms. 
Range. Monterey to San Diego, California. 
Epitonium inconspicuum Sowerby, 1847 
0 
Thesaurus Conchyliorum, 1:90; PI. 33, fig. 53. 
T. Sc. irregulari similima sed varicibus magis numerosis, umbilico 
minori; labio interno antice sub-angulato. 
The ribs are exceedingly numerous, regular and fine; the umbilicus 
is smaller than in Sc. irregularis, which it otherwise resembles, and the 
inner lip is reflected at the lower or anterior part in the form of an 
angle. (Sowerby.) 
Shell minute, white, short, ventricose, umbilicated, spire pyramidal, 
whorls few, rounded; varices numerous, very thin, oblique; aperture 
subquadrate, scarcely angular above, inner lip angular at the base by 
the columella. (Conchologica Iconica.) 
Type in British Museum. Type locality given as West Indies, by 
both Sowerby and Reeve. 
Range. Off San Diego, California, in 75 fathoms. 
Epitonium diegensis Dali, 1917 
Proceedings of the United States National Museum, 53:483. 
Shell minute, whitish, with five whorls exclusive of the (defective) 
nucleus; varices eleven to twelve, sharply anteriorly striated, angular 
at the shoulder, continuous over the suture, and making about half the 
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