152 The Alligator and Its Allies 
Fic. 34. DIGESTIVE SysTEM oF A 
MISSISSIPPIENSIS. 
bd, bile duct; bs, bile sac; c, cloaca; e, ceso- 
phagus; f, larger or fundic region of stomach; 
h, hyoid apparatus; /, liver; », smaller or 
pyloric region of the stomach; pa, pancieas; 
y, rectum; s, small intestine; ¢, tongue; ¢r, 
trachea. 
obliterated. in a 
thirty-inch animal 
the cesophagus is 
about six inches long, 
and opens suddenly, 
but without any ap- 
parent valve, into the 
large chamber of the 
stomach. The his- 
tology of the cesoph- 
agus and the other 
regions of the diges- 
tive tract will be de- 
scribed later. 
THE STOMACH 
The stomach, as is 
well known, is made 
up of two distinct 
parts; that on the 
animal’s left, into 
which the cesophagus 
opens, is many times 
larger than the part 
from which the small 
intestineleads. The 
larger or fundic re- 
gion, Fig. 34, f, has, 
as will be described, 
very heavy muscular 
