82 
THE RUFFED GROUSE. 
d 
half in length, by an inch and two- 
twelfths in breadth, and are of a 
uniform dull yellowish tint. 
In this species the palate is flat, 
with two longitudinal ridges con- 
verging anteriorly ; the space between 
these ridges and the slit covered 
with small papillae. The tongue is 
triangular, flattened, sagittate, and 
papillate at the base, 9 twelfths long, 
fleshy and pointed. The width of 
the mouth is 8 twelfths. The liver 
is extremely small, its lobes equal, 
and 1 inch in length. The heart is 
also small, 11 twelfths long, 7 twelfths 
in breadth. The oesophagus,' a b f, 
is 7J inches in length ; for three 
inches, a b, it has a width of only 5 
twelfths ; it then enlarges to form a 
vast crop, b c d, inches in breadth, 
and 2 i inches in length, that part of 
it connected with which is 1 inch 5 
twelfths in length ; it then contracts 
to i inch, e ; the proven triculus, e f, 
7 i twelfths in breadth. The stomach, 
<: d , is a very powerful muscular 
gizzard, 1 inch 8 twelfths long, 1 
inch 9 twelfths broad ; the inferior 
muscle very large, 1 twelfth thick ; 
the lateral muscles -extremely de- 
veloped, the left 6 twelfths, the right 
5 twelfths in thickness ; the epithe- 
lium thick, tough, yellowish-brown, 
with two concave surfaces, which 
are deeply grooved longitudinally. 
The proventricular glands are large, 3 twelfths long, occupying a space of 
only 7 twelfths of an inch in breadth. The duodenum, A 7, curves at the 
distance of 4 inches. The intestine, A ij A, is 4 feet 1 inch long ; the coeca 
come off at a distance of 64 inches from the extremity ; one ot them 17-2, 
the other 16^- inches long ; their width for three inches 4 twelfths, in the 
rest of their extent 6 twelfths ; they are narrowed toward the end, and 
