162 



BIRDS OF BRITISH GUIANA. 



Range confined to British Guiana. Bartica, Bonasika River, 

 Arwye Creek, Arawai River (^McConnell collection). 

 Habits. Unrecorded. 



Genus ATALOTRICCUS Ridgw. 



Atalofriceus Ridgwav, Proc. Biol. Soc. Washington, xviii. Sept. 2, lOOo, 

 p. 208. Type A. pilaris (Cab.). 



Fig. 6G. — Atalofriceus jjilaris. 



This genns is distinguished chiefly by the absence of a crest 

 and in having the four outer primaries very narrow and much 

 reduced in length. Coloration: male and female similar. 



456. Atalotriccus griseiceps whitelyanus. 



Atalolriccus griseiccps whiteh/anus Chubb, Ann. & Mag. Xat. Hist, 

 (ser. 9) iv. p. 301, Oct. 1919. 



Adult male. Allied to A. griseiceps griseiceps (Hellm.), but 

 differs in having the back uniform green. Total length 97 mm., 

 ex{tosed culmen 10, wing 43, tail 36, tarsus IG. 



Adult female. Similar to the adult male but smaller. Wing 

 38 mm., tail 28. 



This form is not represented in the McConnell collection, and 

 the material on which this subspecific form was based consists of 

 two fully adult males and one female, which were collected by 

 the lato Henry Whitely at Quonga in October and November, 

 1887, and are now in the British Museum — Salvin-Godman col- 

 lection. 



Breeding-season. Unknown. 



Nest. Unrecorded. 



T^ggs. Undescribed. 



Range confined to British Guiana. Quonga ( ]l hiftl/j). 



Habits. Unrecorded. 



