312 
DR. T. CANTOR ON PELAGIC SERPENTS, 
10. Cellepora found on Hydrophis gracilis. 
10 a. The same, natural size. 
PLATE LVI. 
Fig. 1. Dissection of a young Hydrophis schistosa, Schlegel (reduced one half). The 
viscera, which in the sketch are brought out of situs so as to be seen, lie in 
the following order. By opening the abdominal cavity, the wsophagus, the 
stomach, and the intestinal canal, cover entirely the other organs, of which 
the trachea and the lung lie uppermost, in immediate contact with the ver- 
‘ tebral column. 
a. 
b. 
~ Fe KTR e As 
mM, 
(Esophagus. 
The stomach. The total length of the esophagus and the stomach is 
about 2’ 4"; that of the intestinal canal 4’ 6”. 
. Duodenum. 
. Rectum. 
. The heart. 
. The liver. 
. Pancreas. 
. The gall-bladder. 
1. The spleen. 
. The kidney. 
. The trachea. 
The lung. Total length of the trachea and the lung, 3! 2" 6!” 
2. (Nat. size.) 
a. 
b. 
c. 
d. 
The hepatic duct. 
The gall-bladder. 
Pancreas. 
Duodenumn. 
3. (Nat. size.) Internal surface of that part of the lung which receives the 
trachea. 
4. Hydrophis schistosa. Lateral view of the venomous organs and surrounding 
parts. (Magnified.) 
a. 
. Temporalis medius. 
ona & 
Temporalis anterior. 
— posterior. 
. Digastricus. 
. Tendo articulo-mavillaris, spreading its fibres over the sac covering the 
venomous gland. 
