5. OKEOPHASIS. 489 



part of the outer feathers mottled with rufolla buff: casque nearly 

 ari largo as in the male ; colour of soft parts apparently similar. 

 Total length '.i'S-o inches, wing 14*3, tail 13'2, tarsus 4-3, middle 

 toe and claw 3-4. 



Hah. Same as that of the genus. 



fi-c. cJ 2 ad. sk. et st. S. America. Purchased. 



d. J ad. sk. S. America, July. Salvin-Godman Coll. 



5. OREOPHASIS. ^ . 



Type. 

 Oreophasis, Grai/, Gen. B. iii. p. 48o (1844) 0. derbianus. 



An elevated, straight, rather slender, cylindrical casque situated 

 on the top of the head between the eyes. 



Base of the culmen as far as the nostrils densely covered with 

 velvety feathers. 



Tail composed of 12 feathers. 



1st priraarj' much the shortest, about half the length of the 

 5th, which equals the Idth ; 7th slightly the longest. 



Tarsus very slightly longer than the middle toe and claw. 



Raufje. Woods of Volcan do Fuego, Guatemala. 



1 . Oreophasis derbianus. 



Oreophasis derbianus. Gray, Gm. B. iii. p. 485, pi. cxxi. (1844) ; 



Sdat. i<f Sah'in. Ibis, 1859, p. 224 [Volcan de Fuego, Guatemala] ; 



Sahm, Ibis, 18(;0, pp. 43, 248 ; Reichenb. Tauben, p. 155, pi. 270, 



fig. 1508 (lMi2): Grai/, List Gallinee Brit. Mus. p. 14 (1807); 



id. Iland-l. B. ii. p. 253 (1870); Sdat. ^- Salvin. P. Z. S. 1870, 



p. 541. 

 Penelope fronticomis. Van der Hoev. Handb. der Zool. ii. p. 435 



(1852-56). 



Adult male and female. General colour black, glossed with dark 

 green ; the basal part of the culmen as far as the nostril, and the 

 fore part and sides of the head, covered with velvety black plumage ; 

 a nearly bare patch on the basal part of the throat ; fore part of 

 the neck, chest and brea.st white, each feather with a dark shaft- 

 stripe ; sides buff, or buff mixed with brown, and with wide dark 

 centres ; rest of the underparts brownish black, more or less 

 glossed on the thighs and under tail-coverts with dark green, and 

 edged with buff about the vent ; a wide white band across the 

 middle of the tail ; from the crown of the head between the eyes 

 rises a straight, rather slender, cylindrical casque thinly covered 

 with hair-like feathers. The casque, legs, and feet are deep ver- 

 milion ; bill pale straw-colour ; iris white. 



M<ilt'. Total length 3(3 inches, wing 15'5, tail 15-2, tarsus 3'G, 

 middle toe and claw 3*4. 



Female. Total length 32 inches, wing 14-8, tail 13"G, tarsus 3"3, 

 middle toe and claw 3'2. 



Ilab. Same as that of the genus. 



