221 
of the Oviviviparous Shark, &c. 
penis is brought forward, and projects externally. On each side 
of it is seen the opening which leads into the cavity of the 
abdomen. 
The parts are of the natural size. 
Plate XI. 
An internal view of the abdomen of the female squalus 
acanthias of Linnaeus, to show the organs of generation in 
the maiden state. 
a The heart. 
b b The liver. 
c c The stomach. 
d The spleen. 
e e The valvular intestine. 
f The appendix. 
g g The ovaria. 
h h The openings of the oviducts, by which they receive 
the ova from the ovaria. 
i i The course of the oviduct. 
k k The oviduct on the opposite side. 
-/ The clitoris. 
m m The kidnies. 
Plate XII. 
Shows the oviduct of the squalus acanthias, with the ova in 
it, and the young fish after it has left the mother ; also the 
ovum of the squalus canicula or oviparous dog-fish, and the 
young. 
F g. 1. The oviduct taken out of the body. 
G § 
MDCCCX. 
