CARACARA EAGLE. 



353 



minute papillse, and is concave, with the point obtuse and slit to the 

 depth of li twelfth. The nostrils are linear-oblong, oblique, 3 twelfths 

 in length. The apertiu"e of the ear is roundish, of moderate size, 3^ 

 twelfths in diameter. The aperture of the eye is 5 twelfths. 



The cesoT^hagus, a b c d e, which is eight inches long, at first contracts 

 to half an inch, at the distance of an inch and a half from the commence- 

 ment, then enlarges into a crop, bd,2 inches in width, and on entering the 

 thorax contracts to 9 twelfths, the proventriculus being also of the latter 

 diameter. The stomach,/, is round, compressed, 2 inches long, 1 inch 10 

 twelfths broad ; its tendons 8 twelfths 

 across ; its muscular coat very thin and 

 composed of a single series of large fasci- 

 culi, its inner surface soft, smooth, but 

 longitudinally rugous. The proventri- 

 cular glandules are very numerous, cylin- 

 drical, 2 twelfths long, and occupy a belt 



1 inch 2 twelfths in breadth. The ex- 

 ternal muscular fibres of the oesophagus 

 are transverse, the internal longitudinal. 

 The pylorus has three small knobs. The 

 duodenum, ff hi, presents exactly the same 

 arrangement as that of the White-headed 

 Eagle, forming five curves, and then pro- 

 ceeding forward to beneath the right lobe 

 of the liver, its length being 13 inches. 

 The intestine, however, is not proportion- 

 ally so long as in the Fishing Eagles 

 (Haliaetus), its whole length, including 

 the duodenum,beingonly42inches. Itsdi- 

 ameter varies from 3 twelfths to 2 twelfths. 

 The rectum is very short, being only 2^ 

 inches long, including the cloaca, which 

 has a diameter of about 1^ inch, but its 

 average width is 6 twelfths. The coeca 

 are two small sacs, 4 twelfths long, and 



2 twelfths in width. 



The fiver is rather large, the left lobe 

 somewhat smaller, it being 1 inch 8 



VOL. v. 



