150 BIRDS OF BRITISH GUIANA. 



headj sides of face, back, upper tail-coverts, and lesser upper wing- 

 coverts, dark green with a slate-colour tinge on the head ; median 

 and greater upper wing-coverts fringed with greenish-yellow on 

 the outer webs ; bastard-wing and primary-coverts blackish ; 

 primary and secondary quills blackish fringed with green on the 

 outer webs and whitish on the inner ones ; tail also blackish 

 fringed with green on the outer webs of the feathers ; the under 

 surface for the most part ash-grey with a greenish tinge and more 

 or less yellow on the abdomen; under wing-coverts whitish, quill- 

 lining dark brown with pale inner edges ; lower aspect of tail dark 

 brown with white shafts to the featheis. 



Total length 125 mm., exposed culmen 14, wing 67, tail 54, 

 tarsus 18. 



The male described was collected at Bartica in 1912. 



Adult female. Similar to the adult male. Wing 65 mm. 



jBreeding-season. Unknown. 



Nest. Unrecorded. 



Eggs. Undescribed. 



Range confined to British Guiana. Ituribisi River, Supenaam 

 Ri ver, Bartica, Anarica River, Arawai River, Great Falls Demerara 

 River, Arwye' Creek (McConnell collection) ; Mount Roraima, 

 Merum^ Mountains, \ Kamarang River, Kamakusa, Bartica 

 ( Whitely). 



Habits. Unrecorded. 



447. Rliyncliocyclus poliocephalus inquisitor. 



Sclatbk's Flat-bill. 



BJiyncJioeycliis poUocepTialtis sclateri Hellmayr, Verh. Gas. Wien, liii. 



p. 207 (part), 1903 (Ban-a do Eio Negro) ; Brabourae & Chubb, 



B. S. Amer. i. p. 272, no. 2767, 1912. 

 BJiyncJiocyclus megacephaltis (nee Swains.) Sclater, Cat. B. Brit. Mus. 



xiv. p. 170 (part), 1888 (Merume Mts.,Kamai-ang River). 

 Rhynohocyclus poliocephalus inquisitor Chubb, Bull. Brit. Om. Club, 



xl. p. 108, March 1920 (Bartica). 



Adult male.' General colour above dark olive-green including 

 the head, back, tail, and lesser upper wing-coverts ; median and 

 greater upper wing-CQverts dark brown with yellowish tips to the 

 former and outer margins of the latter ; bastard-wing and primary- 

 coverts dark brown ; primary and secondary quills also d;irk 

 brown, the outer webs narrowly edged with olive-green and mar- 

 gined with grey on the inner webs ; tail-feathers dark brown 



