HERPSILOCHMUS. 39 



Breed'ing-spason. Unknown in British Guiana. 

 j^est. Unrecorded in British Guiana. 

 Eggs. Undescribed from British Guiana. 



Range in British Guiana. Supenaam River, Great Falls Deme- 

 rara River (^McConnell collection)', Kamakusa, Bartica (^Whitely), 

 Extralimital Range. Surinam {Penard). 

 Habits. Unrecorded in British Guiana. 



373. Herpsilocliinus roraimse. 



RoRAiMA Ant-bird. 



Herpsiloclimus sp. inc., Salvin, Ibis, 1885, p. 425 (Roraima, 3500 ft.). 

 Hoysilochmus dorsomaculatus [nac Pelz.) Sclater, Cat. B. Brit. Mus. xv. 



p. 246, 1890 (Twek-quay). 

 Heiysilochmus roraimce Helhuayr, Verb, zool.-bot. Ges. Wien, liii. 



p. 208, 1903 (Mt. Eoraima) ; Brabourne & Chubb, B. S. Amer. i. 



p. 200, no. 2002, 1912. 



Adxdt male. Crown o£ head black ; back, rump, and upper tail- 

 coverts lead-grey, some of the feathers on the middle of the back 

 white at the base, with black on the apical portion ; upper wing- 

 coverts black broadly tipped with white ; flight-quills blackish, 

 edged with white on the outer and inner webs, more broadly on 

 the latter ; tail black tipped with white, the outer feathers marked 

 with white on both webs; lores and a broad line over the eye 

 extending along the sides of the crown white, followed by a line 

 of black from behind the eye ; a dark spot in front of the eye ; 

 sides of face and throat greyish white ; breast and sides of body 

 ash-grey ; middle of abdomen, under tail-coverts, axillaries, under 

 wing-coverts, and inner edges of quills below white ; under 

 surface of flight-quills hair-brown ; lower aspect of tail black, 

 tipped and extensively marked with white on the outer feathers. 



Total length 123 mm., expo.sed culmen 15, wing 54, tail 50, 

 tarsus 20. 



Adult female. Differs from the adult male in being paler grey 

 on the back, the feathers on the crown of the head black tipjied 

 with white, and the breast isiibelline. Wing 54 nun. 



This s[)eci(.'S is unr(!j)r('se!itt'd in tlie Mc(V)nnell collection, and 

 the male and female described above, which are in tiic? l^riiisji 

 Musenm, were collected at Mount Horaima by the late Henry 

 AVliitely in January 1HS2 and in I8b4 — Salvin-Ciudiiian collection. 



lirefding-season. Unknown. 



Sed. Unrecorded. 



