152 Lloyd's natural history. 



For convenience the fourteen forms miy be divided into two 

 groups : — 



A. Chest and breast not spotted with wliite (species 1-8, 

 pp. 152-158). 



B. Chest and breast spotted with white (species 9-14, pp. 

 158-161). 



A. Chest and breast not spotted with white, 



I. THE GUL\NA PARTRIDGE, ODONTCPHORUS GUL\NENSIS. 



Tetrao guianensis^ Gmel. S. N. i. pt. ii. p. 767 (1788), 

 Perdix deniata, Temm. Pig. et Gall. ia. pp. 419, 734 (18 15). 

 Perdix rufi?ia^ Spix, Av. Sp. Nov. ii. p. 60, pi. 766 (1825). 

 Odo7itophorus rufiis^ Vieillot, Gal. Gis. ii. p. 38, pi. 211 



(1825). 

 Odo?itophoriiS guianensis, Gould, Monogr. Odontoph. pt. i. pi. 

 25 (1844); Ogilvie-Grant, Cat. B. Brit. Mus. xxii. p. 432 



(1893)- 



Adult Male and Female. — Crown mostly deep chestnut ; nape 

 and mantle grey, finely mottled with black ; lower back and 

 rump reddish-brown, more or less dotted with black ; wings 

 rufous, blotched and marked with black ; outer webs of primary 

 quills bar7'ed with buff ; cheeks^ chin, and sides of throat da?'k 

 chestnut ; middle of throat grey; general colour of chest 

 and rest of under-parts brownish-buff, indistinctly barred with 

 dusky. Naked skin round eye vermilion. 



Adult Male. — Total length, 11-5 inches; wing, 5*9; tail, 2-8; 

 tarsus, I "6 ; middle toe and claw, i*8. 



Adult Female, — Total length, 10 inches ; wing, 5*4; tail, 2-3; 

 tarsus, i"5 ; middle toe and claw, i'6. 



HaMts. — This species frequents the forests, and is nevei 



seen in the savannas or open country. It is a shy bird, and 



usually met with singly or in pairs, never in coveys, and, like 



he rest of its kind, runs with great speed, but when flushed be- 



