2l6 LLOYD'S NATURAL HISTORY. 



Adult Male and Female. — General colour black, glossed with 

 blue ; lower part of abdomen, under tail-coverts, and tips of tail- 

 feathers, zvhite. Crest elongate, as in M. initu. 



Male: Total length, 28 inches; wing, 14*5; tail, 12-7; 

 tarsus, 5 ; middle toe and claw, 3"9. 



Female : Slightly smaller. 



Range. — Sarayacu, Ecuador. 



THE IIELMETED CURASSOWS. GENUS PAUXl:?. 



Fauxi, Temm. Pig. et Gall. ii. pp. 456, 465, 468 (1813); ill. 



pp. I, 683 (1815). 

 Fauxi s, Sclater, Trans. Z. S. ix. p. 285 (1875). 



Type, F. pauxi (Linn.). 



A large, elevated, egg-shaped casque, or helmet, covering the 

 base of the upper mandible and forehead. 



Feathers of the head and neck short and velvety. 



Lores thickly feathered. 



Tail composed of twelve feathers. 



Leg (metatarsus) longer than the middle toe and claw 



Only one species is known. 



I. THE HELMETED CURASSOW. PAUXIS PAUXL 



Crax pauxi, Linn. S. N. i. p. 270 (1766); Vieill. Gal. Gis. ii. 



p. 5, pi. 200 (1825). 

 Crax galeata, Latham, Lid. Orn. ii. p. 624 (1790). 

 Fauxi galeata, Temm. Pig. et. Gall. iii. pp. i. 683 (181 5); 



Gray, Gen. B. iii. p. 487, pi. cxxii. (1846).. 

 Pauxis pauxi, Sclater, Trans. Z. S. ix. p. 285, pi. liii. fig. i. 



(1875); Ogilvie-Grant, Cat. B. Brit. Mus. xxii. p. 488 



(1893). 

 Pauxis galeata, var. rubra, Sclater, Trans. Z. S. ix. p. 2S5, pi. 



liii. fig. 2 (1875). 



Adult Male. — General colour black, glossed v/ith dark green ; 



