162 BIRDS OF BRITISH SUIANA. 



Range confined to British Guiana. Bartica, Bonasika E.iv«r, 

 Arwye Creek, Arawai River (McConnell collection). 

 Habits. Unrecorded. 



Genus ATALOTRICCUS Ridgw. 



Atalotriccus Eidgway, Proc. Biol. Soc. Washington, xviii. Sept. 2, 1905, 

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



rig. 66. — Atalotriccus pilaris. 



This genus is distinguished chiefly by the absence ot" a crest 

 and in having the four outer primaries very narrow and much 

 reduced in length. Coloration: male and female similar. 



456. Atalotriccus griseiceps wMtelyanus. 



Atalotriccus griseiceps whitelyanus Ckubb, Ann. & Mag. Nat. 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., 

 exposed culmen 10, wing 43, tail 36, tarsus 16. 



Adidt 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 late Henry Whitely at Quonga in October and November, 

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

 lection. 



Breeding-season. Unknown. 



Ifest. Unrecorded. 



Eggs. Undescribed. 



Mange confined to British Guiana. Quonga (Whitelg). 



Habits. Unrecorded. 



