XX. SYNOPSIS. 



than the third and fourth, which are longest: tail of sixteen 



or eighteen feathers. 



T. Urogallus, Linn. - v. i, p. 344 



T. Tetrix, Linn. v. i, p. 347 



T. Scoticus, Lath. v. i, p. 350 



T. Lagopus, Linn. - v. i, p. 352 



Gen. 49. PKRDIX. Bill short, compressed, strong, 

 base naked, convex above, curved towards the tip: nostrils 

 basal, lateral, half closed by an arched naked membrane: 

 tarsi naked ; three toes before, and one behind ; the front 

 toes united as far as the first joint by a membrane: wings 

 short; fourth and fifth quills generally longest: tail short, of 

 fourteen to eighteen feathers. 



* Tarsi furnished with a tubercle, or entirely smooth. 



* P. rubra, Briss. v. i, p. 354 



P. cinerea, Lath. v. i, p. 357 



* * Tail very short, hid by the feathers of the rump: first 

 quill of the wing longest. 



P. Coturnix, Lath. v. i, p. 360 



Gen. 50. HEMIPODIUS. Bill moderate, straight, slen- 

 der, much compressed, curved towards the point : nostrils 

 lateral, linear, partly closed by a naked membrane: tarsi 

 long : three toes before, entirely divided ; no hind toe : tail 

 small, concealed by the upper coverts: wings moderate; first 

 quill longest. 



H. tachvdromus, Temm. 



ORDER XL ALECTORIDES. 



BILL shorter than the head, or of the same length, 

 strong, hard ; upper mandible curved, convex, 

 bent at the point: tarsi long, slender; three toes 

 before, one behind ; the hind toe articulated above 

 the plane of the front toes. 



