2Gi BIRDS or BRITISH GUIANA. 



522. Scototliorus olivaceus. 

 Kidgway's Manakin. 



Heteropelma amazonum Salvin, Ibis, 1885, p. 301 (Eoraima, Camacusa, 

 Bartica Grove). 



Heteropelma wallacii (nee Scl. & Salv. 1837) Sclater, Cat. B. Brit. 

 Mus. xiv. p. 319, pi. XX., 1888 (Bartica Grove, Camacusa, Eoraima). 



Scotothorus olivaceus Eidgw. Proc. Biol. Soc. Washington, xix. p. 118, 

 1906 (Eio Mato, Venezeula) ; Brabourne & Chubb, B. S. Amer. i. 

 p. 312, no. 3184, 1912. • 



Scotofhorus wallacii (nee Sol. & Salv.) Beebe, Our Seareh for a Wilder- 

 ness, p. 322, 1910 (Aremu Eiver). 



Adult. Head, sides o£ the face, hind-neck, back, lesser upper 

 wing-coverts, scapulars, and upper tail-coverts dark olive-green ; 

 wings and tail golden brown with a tinge of the same colour on 

 the crown of the head ; inner webs of flight-quills dark brown, 

 paler on the inner edges ; under surface paler than above and 

 pervaded by a yellowish tinge — especially on the under wing- 

 coverts ; under surface of flight-qnills and lower aspect of tail 

 pale brown. " Bill and feet horn-colour " (Oat. B. Brit. Mus.). 



Total length 154 mm., exposed culmen 14, wing 87, tail 64, 

 tarsus 21. 



The specimen described was collected on the Ituribisi Eiver in 

 October 1908. ' 



There appears to be no difference of plumage between the male 

 and female. 



Breeding-season. Unknown in British Guiana. 



Mest. Unrecorded in Britisli Guiana. 



Eggs. Undescribed from Briiish Ciuiana. 



Range in British Guiana. Mount Roraima, Ituribisi River, 

 Supenaam River, Bartica, Kamakabra River, Makauria River, 

 Abary River, Arwye Creek, Tiger Creek {McConnell collection^ ; 

 Mount Roraima, Kamakusa, Bartica ( Whitely) ; Aremu River 

 (Beebe). 



Extralimital Range. Venezuela. 



Habits. Unrecorded in British Guiaua. 



Genus NEOPELMA Scl. 

 Neopelma Sclater,- P. Z. S. 1860, p. 467. T.ype N. avrifrons (Wied). 



This genus is easily distinguished by its orange-yellow crest. 



