586 YELLOW-SHANK. 



mach, cde, a very strong gizzard, of a roundish form, 1^ inch long, and of 

 the same breadth ; its lateral muscles very large and distinct, as are the 

 tendons ; epithelium very thick, dense, with two oblong grinding plates, 

 each having four broad longitudinal rugae, and of a bright red colour. 

 Intestine, efg h ij, 3 feet 3 inches long, only 3 twelfths in width at the 

 upper part, toward the rectum 2 twelfths. Coeca, i i, 3^ inches long ; 

 their distance from the extremity 3 inches ; their width 2 twelfths, 

 the extremity rounded. 



Trachea 5^ inches long, from 3| twelfths to 2 twelfths in breadth, 

 much flattened ; its rings unossified, 125, and 1 dimidiate. Proventri- 

 cular half rings 15. Lateral muscles rather strong ; a single pair of 

 inferior or laryngeal muscles. 



YELLOW-SHANK. 



Tot AN us flavipes, Vieill. 



PLATE CCLXXXVIII. Vol. III. p. 573. 



Two series of papillae on the anterior part of the roof of the mouth. 

 Tongue \\ inch long, emarginate and papillate at the base, as deep as 

 broad, channelled above, tapering to a narrow but obtuse horny point. 

 CEsophagus 4^ inches long, 3 twelfths in width ; proventriculus 3| 

 twelfths. Stomach rather small, elliptical, 8 twelfths long, 6 twelfths 

 broad ; the lateral muscles rather strong ; epithelium dense, rather 

 thin, with numerous longitudinal rugae, and of a dark red colour. In- 

 testine 18 inches long, its greatest width in the duodenal part 1^ twelfth, 

 the smallest toward the rectum 1 twelfth. Coeca 1 inch 2 twelfths 

 long, 1 twelfth wide, 1^ inch distant from the extremity. Cloaca obo- 

 vate, 5 twelfths in width. Trachea 3 inches 2 twelfths in length, 

 from 2^ twelfths to 1^ twelfth in width ; rings 130, extremely narrow, 

 and cartilaginous. Bronchial half rings. Muscles as in the last species. 



