42. 
13. 
14, 
Anatomy of Cerithium Telescopium. 439 
a. Operculum. 
-b. Foot. 
ce. Muzzle. 
d. Mantle. 
e. Wrinkled rib over which the three folds of the matrix 
vieoht: 
f. Oviduct. 
t. Neck of matrix. 
a. 3. -y. The three folds, 
Ovaries exposed in situ. 
g- Liver. 
Jf. Stomach. 
s. Integument. 
7. Ovaries, 
t. Matrix. 
o. Oviduct. 
m. Mass of mouth. 
r. Wall to ditto. 
a. Left upper cerebral ganglion 
B, Right ditto. 
ue: 
he 
0. 
t. 
m 
8. 
d, 
0. 
x, 
6. & Nerves from lower part of right ganglion, 
n. Ditto from left. 
CEsophagus. 
Tongue. 
Mass of mouth. 
Salivary glands, 
Salivary ducts, 
Orifice of ditto. 
(Esophagus, 
