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PLATE III. 
Fig. 1. Under surface of the head of the Aptery«, with the tongue and palate exposed. 
a. The posterior nasal apertures. 
b. The common opening of the Eustachian tubes. 
c. The tongue. 
d. The glottis. 
e. The glandular processes of the pharyngeal membrane. 
2. The inferior surface of the tongue and hyoid-bone, with the commencement 
of the wsophagus and trachea. 
3. Abdominal viscera in situ. 
a. Gastric processes of omentum. 
Omental processes covering the intestines. 
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c,c. Omental processes in the intestinal loops. 
d. The pancreas, in 
e. The duodenal loop. 
f. The first loop of jeyunum. 
g. The rectum. 
h. The esophagus. 
i. The sterno-tracheales muscles. 
j. The carotid arteries. 
k,k. The right and left lobes of the liver. 
n. Erector penis. 
0. Compressor venarum penis. 
p. Vascular and nervous plezus. 
q- Internal sphincter of cloaca. 
r. External sphincter. 
s. Penis: a probe is passed beneath it into the cloaca. 
t. Coccygeal gland. 
PLATE IV. 
Digestive, Urinary, and Male Generative Organs. 
a. The proventriculus. 
b. The stomach. 
c. The duodenum. 
d. The vitelline cecum. 
e,e. The two ceca. 
