8. OKTALIS. 505 



c'. lu'iitlicrs (jf the sides of the face anil 

 ii])]iei' part (if tlie neck jKiiiited and 

 eil;.'('d with wliite ; belly white . . . dldiir/i/ria, p. 5L8. 

 rf'. Feathers of the sides df the faee and 

 upper part of the neck rounded and 

 uniform olive-brown; belly brown- 

 ish white sqnamatfi, p. ^Oll. 



/'". Top of the head dark g:rey. 



e\ Front of the head whitish ; maro;ins 

 of the chest-feathers narrower. Size 



larf^e, wing 8'8 caracco, p. 'jO'tt. 



/'*. Forehead only grey ; margins of the 

 chest-feathers wider. Size smaller, 



wing 7'7 /guttata, p. /jIO. 



d". Third pair of tail-feathers widely tipped 

 with chestnut on both webs; super- 

 ciliary stripe strongly marked and con- 

 tinued backward down the sides of the 

 neck. (Spotting on chest rather faint 



and indistinct.) superciliaris, p. 511. 



/;. Extremities of the outer tail-featiiers white or 

 buff, 

 c'. Under tail-coverts not white. 



e" . Si?,e much larger; wing 9"6, tail lO'S . . jwliocephala, p. '51 1. 

 f". Size much smaller ; wing 8, tail 9'G .... vetu/a, p. ■'A'J. 



d'. Under tail-coverts white teucoyastra, p. 514. 



B. Outer primaries chestuut. 



c. Outer tail-feathers tipped with wliite or buff. 



e . Top (if the head chestnut f/arnila, p. 515. 



f. Top of the head grey ciiierciceps, p. 515. 



d. Outer tail-feathers tipped with chestuut enjthr'jptera,y}. 51G. 



1. Ortalis motmot. 



Phasianus guianensis. Bris,i. Or?!, i. p. 270, pi. xxvi. fig. 2 (1760). 

 Phasianus motniut, Li/ui. S. X. i. p. 271 (176(3) [Guiana ; Brazil] ; 



(;i)i. S. A. i. pt. ii. p. 740 (1788). 

 Faisan de la Guiane, UAuhenf. I'L E71I. ii. pi. 32 [no. 146]. 

 Phasianus katraca, Bodd. T(dd. PI. Enl.-^. 0(178-3). 

 l'lia.--ianus parraka, Gm. S. N. i. pt. ii. p. 740 (178S). 

 Phiu-ianus parraqua, Lath. 2nd. Oni. ii. p. U32 (1790). 

 Penelope parrakoua, Temm. Pi;/, et Gcdl. iii. pp. 85, 695 (1815). 

 Ortalida parrakoua, Sfrp/i. in tS/ioic's Gen. Zool. xi. p. 189 (1819). 

 Penelope motmot, Wayl. lsi.% 1830, p. 1111. 

 Ortalida motmot, Wat/I. 7i<(s, 1832, p. 1227; Cah. in Schomb. Brit. 



Guiana, iii. p. 744 (1848); Grai/, List Gnllince Brit. Miui. p. 10 



( 1807) ; id. Iland-l. B. ii. p. 252 (1870); f<claf. V Sah-in, P. Z. S. 



1870, ].. 532; r. Peh. Or>i. Bra.^. p. 285 (1871) [Rio Negro; Kio 



]3ranco" ; id. Jhi.i, 1873, p. 119 [Cayenne]; Broun, Brit. Guiana, 



p. 371 (1877) [Wahmaiia Mts.]. 

 Ortalis parraqua, 6'%m-, Hand- u. Hilfsh. p. 373 (1842). 

 (htalida katraca, Gray, Li.<t of B. pt. iii. Gall. p. 20 (1844). 

 Penelopt> parrakua. Bia-miisfer, Sii.if. J'ehern. iii. p. '.'A\ (1856). 

 Ortalis motmot, Salvin, Ibis, 1886, p. 175 [Bartica Grove and 



Koraima, British Guiana] ; W. L. Sclater, Ibis, 1887, p. 317. 



Adult )iialc. Top of the head and nape dark chestnut; feathered 



