274 BIRDS OF BRITISH GUIANA. 



Nest. Unrecorded in British Guiana. 



Eggs. Undescribed from British Guiana. 



Range in British Guiana. Supenaam Biver, Mazaruni River, 

 Bartica, Bonasika River, Great Falls Demerara River (McConnell 

 collection). 



Extralimital Range. Surinam (British Museum), Venezuela, 

 North Brazil, Colombia. 



Hahits. Unrecorded in British Guiana. 



528. Pacliyrliaiiiplius macconnelli. 



MoOonnell's Thick-bill. 



Bathmidurus niger (nee Spix) Cab. in Schomb. Eeis. Guian. iii. p. 698, 



1848. 

 JPaehyrhampJius niger (nee Spix) Salvin, Ibis, 1885, p. 302 (Eoraima, 



3500 to 4000 feet) ; Sclater, Cat. B. Brit. Mus. xiv. p. 343, 1888 



(Roraima). 

 Pachyrhamphws cinereiventris (nee Selater) Brabourne & Chubb, B. S. 



Amer. i. p. 316, no. 3227 (part), 1912. 

 Fachyrhamphus macconnelli Chubb, Bull. Brit. Orn. Club, xl. p. 73, 



January 30, 1920. 



Adult male. General colour of the upper surface black, with 

 white edgings to the feathers of the wings and white tips to the 

 tail-feathers ; upper tail-coverts slate-grey ; the feathers on the 

 .crown of the head glossy biue-black which imparts a spotted 

 appearance ; sides of the face black ; throat and remainder of the 

 under surface blackish slate-grey, somewhat paler on the lower 

 abdomen and under tail-coverls ; nnder wing-coverts speckled 

 with black and white ; under surface of flight-quills blackish 

 brown, with paler inner edges ; lower aspect of tail black, with 

 white tips to the feathers. "Bill and feet dark plumbeous" 

 (Cat. B.Brit. Mus.). 



Total length 145 mm., exposed culmeu 12, wing 73, tail 54, 

 tarsus 18. 



The male bird from which the description is taken was collected 

 on the Bonasika River in 1911, 



Adult female. Crown of head, sides of the face, sides of the neck, 

 entire back, scapulars, and upper tail-coverts yellowish olive-green, 

 rather darker on the head ; lesser upper wing-coverts olive-brown, 

 median and greater series brown, broadly fringed with buff ; 



