320 MOMOTin.'F,. 



Adiill male. General colour above grass-green, the wing-coverts 

 and secondaries like the back ; bastard-wing, primary-coverts, and 

 outer aspect of quills blue ; tail-feathers green at base, becoming 

 blue towards the ends, the middle ones having an elongated blue 

 racket which is black at the ends ; centre of crown black ; forehead 

 silvery cobalt, extending backwards over the eye and deepening 

 into an ultramarine band which surrounds the black crown ; hind 

 neck with a ferruginous patch ; lores, feathers below the eye, and 

 ear-coverts black, the latter tapering to a point posteriorly ; above 

 the ear-coverts a narrow line of silvery-blue feathers, and another 

 line of blue separating the black of the sides of the face from the 

 cheeks ; sides of hinder crown, sides of neck, and cheeks green, 

 with somewhat of an olive tinge ; under surface of body olive- 

 greenish, with a ruddy tint on the throat aud sides of body and 

 abdomen ; in the centre of the fore neck a long patch of hackle-like 

 feathers, bordered with greenish blue ; thighs and under tail- 

 coverts greenish like the breast ; under wing-coverts pale reddish 

 buff ; edge of wing green ; quills below dusky, ashy fulvous along 

 the edge of the inner web. Total length 17'5 inches, culmen 1'7, 

 wing 5-8, tail 6-8, centre feathers 10'3, tarsus 1. 



Adult female. Similar to the male in colour, but rather greener 

 underneath. 



Two specimens from Para are smaller, have a smaller chestnut 

 spot on the back of the neck, and a deep cinnamon-coloured under 

 surface. Total length 15-5 inches, wing 5-5, tail (i-75, long feathers 

 9-6, tarsus 1. Should further specimens confirm these differences, 

 the bird may be called M. parensis. 



Hah. Guiana, extending to the Rio Negro along the Amazon 

 region to Para. 



a. Ad. St. South America. J. Gould, Esq. 



h, c. Ad. sk. Cayenne. Sclater Coll. 



d. Ad. sk. Demerara. Gould Coll. 



e. Ad. sk. Demerara. W. T. Turner, Esq. 



[P.]. 



/,(/. d 2 ad. sk. Bartica Grove, British Guiana, Salvin-Godman Coll. 



Oct., Nov. (H. Whitely). 



h. S ad. sk. Biver Atapurow, Jan. 26 {H. Salvio-Godman Coll. 



Whitely). 



i. 2 ad. sk. Borairaa, Jan. 6 (H. Tlliitely). Salvin-Godman Coll. 



k. S ad. sk. Barra, Rio Negro, July 26 (j. Salviu-Godman Coll. 



Natterer) . 



I, m. Ad. sk. Para. Gould Coll, 



2. Momotus bartletti. (Plate IX.) 



? Prionites brasilieusis, Tschndi v^- Caf>. Faun. Peruan., Orn. p. 251 



(1850). 

 Momotus brasiliensis (nee Lath.), Scl. P. Z. S. 1857, p. 250 fpt., spec. 



ex Fl. Ucayali) ; Scl. <§• Salv. P. Z. S. 1866, p. 191 (1873), p. 292 



(Upper Ucayali : Chamicuros) ; Tacz. P. Z. S. 1862, p. 43 ( Yuri- 



maguas) ; id. Orn. Perou, iii. p. 108 (1886). 



