1. CKAX. 475 



E. Secondaries black, with narrow white bars, 



much narrower lluin the black inters])aces. 



g. Outer primaries black barred with white. 



e. Thighs uniforni tawny buff; tail-feathers 



barred like the secondariis fascioluta, p. 476. 



/'. Thighs black barred with buff; tail- 

 feathers not barred with white phiima, p. 477. 



h. Outer ]iriniaries uuil'orni rufous-chestnut. . alberti, p. 483. 



F. Secondaries uniform black. 



i. Tail not ti[)ped with white. 



</'. JJreast uniform black ; belly and under 



tail-cuverts white alector, p. 475. 



h' . Breast black, slightly mottled with buff; 

 belly and under tail-coverts rufous. 

 e" . Jksal half of the mandible scarlet . . carunculata, p. 481. 

 f". Basal half of the mandible yellow . . r/lohulusa, p. 482. 

 k. Tail tipped with white; breast black barred 

 with white ; belly and under tail-coverts 

 white daubiitttmi, p. 482. 



1. Crax alector. 



? (iallus indicus, Sloane, Jamaica, ii. p. 302, pi. 2(J0 (1725). 



I-e llocco de la Guiane, Briss. 0/n. i. p. 298, pi. .xxix. (17(50). 



Cra.\ alector, Linn. S. X. i. p. 2G9 (1766) ; G?n. 8. X. i. pt. ii. p. 785 

 (1788j; Lat/i. Ltd. Orn. ii. p. 622 (1790) [mas.]; Boyin. Tabl. 

 Encycl. Meth. i. p. 173, pi. 85. fig. 4 (1791) ; Temm. Piq. et Gall. 

 iii. pp. 27, 689 (1815) ; Vieill. Gal. Ois. ii. p. 6 (1825) ; Less. 

 Traite d'Orn. p. 484, pi. 81. fig. 1 (1831); Bennett, Gard. and 

 Menug. ii. p. 9 (1831) ; Gray, List of B. pt. iii. Gall. p. 20 (1844) ; 

 Cab. in ISclionib. Brit. Guiana, iii. p. 746 (1848) ; Burmei.<ter, Syst. 

 Ueb. iii. p. 344 (1856); lieichenb. Tauben, p. 130 (1862); Gray, 

 List Gallinff Brit. Mm. p. 14 (1867) ; id. Hand-l. B. ii. p. 253 

 (1870) ; I'. I'elz. Orn. Bras. p. 286 (1870) [Rio Negri, Rio Vaupe, 

 and Rio Rranco] ; Sclat. Trans. Z. S. ix. p. 277, pi. xliii. (1875) ; 

 Broun, Brit. Guiana, p. 345 (1877). 



Crested C'urassow, Lat/t. Gen. Hist. B. viii. p. 151 (1823). 



Crax mitu, Vieill. Gal. Ois. ii. pi. 199 (1825). 



Crax i\oAnti\, Lieichenb. Tauben, p. 131 (1862). 



Crax erythrognatha, Sclat. Sf Salvin, P. Z. >S. 1877, p. 22 [Colombia] ; 

 Sclat'. Trans. Z. S. x. p. 543, pi. xc. (1879). 



Adult male. General colour black glossed with purple, which 

 renders it easily recognizable from the allied species ; lower belly, 

 flanks, and iiiuler tail-coverts white ; lores naked ; no swelling on 

 the base of the culmen nor wattles on the base of the lower mandible ; 

 cere and base of bill yellow, extremity horny blue ; feet hora- 

 coloured. Total length 34 inches, wing 15, tail 13, tarsus 4-5. 



Adult female, llesembles the male, but the feathers of the crest 

 have a few white bars. Total length 33 inches, -wing 14, 

 tail 12, tarsus 4-3. 



Bah. Rio N'egro, Rio Branco, Rio Vaupe, British Guiana, U.S. 

 Colombia. 



rt, b. (} 2 id. sk. Interior of Colombia. Salvin-Godnian Coll. (Types 



of C. erythrognatha, Sol. & Salv.) 



