363 



LINARIA. LINNET. 



Bill short, straight, direct, conical, thick, acute, siibpen- 

 tagonal, and nearly as broad as deep at the base, compressed 

 towards the end, the mandibles of equal breadth : upper 

 mandible with the dorsal outline nearly straight, being very 

 slightly convex, the ridge broad and rounded, but narrowed 

 towards the end, the sides rounded, the edges inflected and 

 sharp, but slightly overlapping, without a notch, or with a 

 very slight one near the tip ; lower mandible with the angle 

 semicircular, the dorsal outline straight, the ridge broad and 

 rounded, the sides convex, inflected near the end, the edges 

 sharp and inflected, but towards the end meeting those of the 

 uj^per ; the gape-line nearly straight. 



Mouth narrow ; both mandibles, PL VIII, Fig. 3, a, deeply 

 concave, the upper with a medial prominent line, and two 

 lateral broad ridges, between which and the margins is a groove 

 for the reception of the strong edges of the lower mandible. 

 Posterior aperture of the nares linear, and with that of the 

 glottis margined with acute papillae. Tongue sagittate, narrow, 

 grooved above, the tip slightly bifid. CEsophagus, a^ &, c, cZ, of 

 nearly equal diameter, but dilatable about the middle into a 

 kind of crop, ^, which lies on the right side of the neck, after- 

 wards narrow ; proventriculus, d^ elliptical, and furnished all 

 round with numerous cylindrical glandules. Gizzard, ^, f^ g, 

 A, roundish, compressed, with two very strong lateral muscles, 

 ^, /*, ^, and radiated tendons ; its cuticular lining dense, tough, 

 and longitudinally rugous. Intestine, /^, ^,y, A', /, m^ n, of mo- 

 derate length, rather wide, of nearly equal diameter through- 

 out, with two very small, cylindrical, adnate coeca, I, near its 



