THE PRIVATE PELICAN. 
177 
PelecanincR in having no 
pyloric lobe. The duode- 
num also, d ef does not at 
first pass forward, but di- 
rectly curves round the sto- 
mach, returning at the dis- 
tance of 21 inches, and the 
intestine, defghi, is con- 
voluted with 9 folds. It is 
36 inches long, 5 twelfths 
wide in the duodenal por- 
tion, contracts to 3 twelfths ; 
the coeca are two small 
knobs 2 twelfths long, 11 
twelfths in breadth ; the 
rectum 3 inches long, for 1 
inch 8 twelfths its width is 
31 twelfths, the remaining 
part forming a globular 
cloaca II inches in diame- 
ter. 
The trachea is 8£ inches 
long, its width at the com- 
mencement 41 twelfths, 
presently after 4 twelfths, 
contracting to 31 twelfths. 
It is a little flattened : the 
rings 112, cartilaginous. 
The inferior larynx is great- 
ly expanded antero-poste- 
riorly, and the first dimi- 
diate ring is 5 twelfths in 
extent, with a somewhat 
smaller ring beyond it. The 
lateral muscles are very 
slender ; the sterno-tra- 
cheal, which passes off at 
the distance of I inch from 
the bifurcation, is strong ; 
there is a slender slip on 
each side going to the 
Yol. VII.— 23 
