MARSH TERM. 
245 
twelfths long, papillate at the base, 
the outer papilla on each side larger, 
the tip sharp and horny. The oeso- 
phagus, a b c, is 5 inches long, very 
wide, its greatest diameter 9 twelfths. 
The- stomach, c d e, is oblong, 1 inch 
2 twelfths in length, 10 twelfths in 
breadth; its lateral muscles moderate. 
Its contents are coleopterous and hy- 
menopterous insects, together with 
small crabs. The epithelium is thick, 
strong, prominently rugous, of a red- 
dish-brown colour, and exactly re- 
sembling that of the smaller Gulls. 
The proventricular glandules are 
very small, and form a belt i inch in 
breadth. The intestine, f g h i, 
which is 1 foot 8 inches long, is wide, 
its average diameter being4i twelfths. 
The coeca, which come off at the dis- 
tance of 2 inches from the anus, are 
very small, being 8 twelfths long, and 
1 twelfth in diameter. 
The trachea is 4 inches 2 twelfths 
long, at the upper part 4 twelfths in 
breadth, gradually contracting to li 
twelfths. The rings, about 110, are 
feeble and unossified. The bronchial 
rings are about 20. The contractor 
muscle is so thin as to be scarcely 
perceptible ; the sterno-tracheal ex- 
tremely slender. There is a single 
pair of inferior laryngeal muscles. 
The stomach of another female 
contains the remains of crustaceous 
animals, one of which, nearly entire, 
is a small roundish crab, 11 twelfths 
in breadth. 
