GO QUERQUEDULA STREPERA. 



less elongated. Its body is elongated, moderately full, a 

 little depressed ; the neck rather long ; the head of moderate 

 size, oblong, compressed, and considerably rounded above. 



The bill is somewhat shorter than the head, nearly 

 straight, rather narrow, higher than broad at the base, gradu- 

 ally depressed toward the end, with the edges almost parallel, 

 so that the breadth is scarcely half a tAvelfth more toward the 

 end ; the upper mandible with the lateral sinuses broadly 

 rounded, the upper rather pointed, the angles short and 

 obtuse, the dorsal line declinate to beyond the nostrils, then 

 nearly straight to the unguis, Avhich is small, obovato-oblong, 

 and decurved at the end, the ridge of moderate breadth, and 

 rather concave at the base, gradually narrowed, becoming 

 convex, the sides nearly erect at the base, convex toAvard the 

 end, the edges slightly sinuous, with about fifty lamellae, of 

 Avhich the rather broad and rounded outer extremities project 

 considerably ; the nasal sinus small, ovato-elliptical, sub- 

 basal, close to the ridge ; low^er mandible very slightly rear- 

 cuate, with the intercrural space very long, narrow, and bare, 

 the crura slender, gradually flattened, with about sixty oiiter 

 lamellae on the erect edges, the unguis small, obovato-trian- 

 gular, considerably convex. 



Mouth of moderate width ; anterior palate deeply concave, 

 w4th a median prominent ridge, which is papillate behind. 

 The tongue, an inch and ten-twelfths long, is fleshy, with a 

 deep longitudinal groove, two lateral series of filaments, and 

 a thin broadly rounded tip. The oesophagus, ten inches and 

 a half in length, is of moderate width, enlarges to ten-twelfths 

 at the lower part of the neck, and again contracts ; the pro- 

 ventriculus oblong, its greatest breadth eight-twelfths. The 

 stomach is very large, elliptical, compressed, an inch and 

 nine-twelfths long, two inches in breadth ; the muscles 

 extremely large, the right ten, the left nine-twelfths thick ; 

 the epithelium thick, rugous, with two roundish, slightly 

 concave, grinding plates. The intestine is very long, and 

 rather Avide, its length being six feet ten int-hcs, its Avidth for 

 tAvo feet four-tAvelfths and a half, then gradually enlarging to 

 half an inch ; the rectum five inches and a quarter in length ; 

 the coeca eleven inches long, tAvo tAvelfths Avide for tAvo 



