23. DENDROBATES. 361 



base golden olive, the wing-coverts with longitudinal spots of 

 yellow ; remaining portion of quills brownish black, the inner webs 

 having large rounded spots of white ; shafts brown ; tail brownish 

 black, the central feathers margined at the base with olive and 

 spotted on both webs with greenish brown, the remaining feathers 

 spotted with brown on the outer webs and with buif or brownish 

 white on the inner webs; shafts black; nasal plumes and forehead 

 brown, the latter with brownish-white spots ; crown and occiput 

 crimson, the bases of the feathers nearly black ; nuchal band yellow, 

 this colour extending on to the side of the neck in stripes ; face, 

 chin, and throat drabby white, the ear-coverts and above broadly 

 striped with blackish brown ; the malar region, chin, and throat 

 spotted with black : side of the neck, fore neck, entire underparts, 

 and under tail-coverts huffy white barred with black, the light inter- 

 spaces on the chest more huffy in colour ; under wing-coverts and 

 axillaries huffy white or slightly yellowish, with transverse and 

 varied markings of olive-black. Total length 6-3 inches, culmen 

 0-85, wing 3-8, tail 2-25, tarsus 0-7 ; toes (without claws) — outer 

 anterior 0-47, outer posterior 0-57, inner anterior 0-4, inner posterior 

 0-25. 



Adult female. Differs from the adult male in the absence of red 

 on the head, the forehead, crown, and occiput being blackish brown, 

 the feathers faintly tipped with dull olive. Total length 6-3 inches, 

 culmen 0-85, wing 3*65, tail 2-05, tarsus O'Go. 



Eab. Guiana. 



a, h. c? ad. sk. Bartica Grove, British Guiana, Salvin-Godman Coll. 

 Sept., Nov. {H. Whitely). 



c. c? ad. sk. Bartica Grove, Nov. {H. W.) Sclater Coll. 



d. cS ad. sk. Roraima, British Guiana, Jan. Salvin-Godman Coll. 



(J/. Wlutehj). 



e. 2 imm. sk. Meriime Mts., British Guiana, Salvin-Godman Coll. 



June {H. Whitely). 



/'>5'- c^ 2 ad. sk. Takutu R., British Guiana, Salvin-Godman Coll. 



Feb., jMarch (//. TMntehi.). 



h. 5 ad. sk. Guiana (Brotvn). Sclater Coll. 



i. (S ad. sk. Cayenne. Purchased. 



k. cJ ad. sk. Oyapoc, Cayenne. Salvin-Godman Coll. 



21. Dendrobates ruficeps. 



Picus ruficeps, Sjn.r, Av. Jims. i. p. 63, pi. hi. figs. 2, 3, c? 2 (1824). 

 Campias ruficeps, Cab. ^- Heine, Mus. Hein. iv. p. 153 (1863). 

 Chloronerpes ha?matostigma (non MaJh.), Sclat. ^-Sah: P. Z. S. 1867, 



pp. 587, 595; Sdat. Cat. Amer. B. p. 338, no. 2017 (1862). 

 Chloronerpes ruficeps, Grai/, List Picid. Brit. Mus. p. 109 (1868) ; 



id. Hand-l. B. ii. p. 199, no. 8796 (1870) ; Sclat. Sf Salv. Nomencl. 



Av. Neofr. p. 99 (1873) ; Layard, Ibis, 1873, p. 390. 

 Campias ruficeps, var. «, Pelz. Oni. Bras. p. 245 (1870). 



Adxdt nude. Back and scapulars deep golden olive, the feathers 

 washed with blood-red on the tip ; rump of the same olive colour as 

 the back, but spotted with yellow and slightly tinged with red ; 



