9 
a 
44 WEST 
Figure 273 represents 
another rare shell dredged 
off the coast of southern 
California. Its name is 
Callidstoma turbinum, 
Dall, the Turbaned Top- 
shell. This shell is small, 
being only 12mm. ligh. 
The body of the shell is 
waxen, showing nacre, and 
is ornamented with some 
AMERICAN “SH EELS 
small flamules of dark 
brown, not shown in the engraving. 
Fig. 274, x } (*) 
times been considered to 
costatum. 
ure 274. 
Thalotia caffea, Gabb, 
It is shown, gr 
Calliostoma splén- 
dens, Cpr., the Shining 
Top-shell. This species 
has a small shell, about 
the size of a small pea. 
It is of an orange-chest- 
nut color, with fleshy or 
bluish nacre. — 14 vista 
rare shell, found at 
Monterey and south- 
rard, and has some- 
be only a variety of C. 
eatly magnified, in Fig- 
the Coffee-brown Top- 
shell, (Turcia eaffea). This is a rare shell, resem- 
bling a Calhostoma, but it has two folds on the 
columella, which form a distinguishing mark. The 
whorls are flattened, the sutures deep and bearded, 
