THE AMERICAN CROW. 



twelfths in the duodenal 

 portion, and 4 twelfths in 

 the rest of its length; the 

 cloaca, k I, globular and 

 about 1 inch in diameter; 

 the cceca small, j, cylindri- 

 cal, 5| twelfths long and 1 

 twelfth in breadth. 



In another male, the in- 

 testine is 42 inches long, 

 from 4^- twelfths to 4 

 twelfths in width; the cceca 

 ^ inch long, and 1 twelfth 

 in width. In a third, a 

 male also, the intestine is 

 41-£- inches long; and in a 

 fourth 33 inches. This 

 statement shews that the 

 intestine of birds sometimes 

 varies very considerably in 

 the same species. 



In the stomachs of two 

 of them were numerous 

 seeds of a brownish-yellow 

 colour, globular, and 1 

 twelfth in diameter, to- 

 gether with a few particles 

 of quartz. That of another 

 contained a mass of pound- 

 ed sumach berries. 



The trachea, m o, of the 

 first is 5 inches long, a little 

 flattened, 4\ twelfths in 

 breadth at the commence- 

 ment, 3j twelfths for 2 

 inches, near the lower part 

 enlarging to 4 twelfths, and 

 again contracting to 2|- 

 twelfths. The inferior 

 larynx, o o, is much com- 



