300 BIRDS OF BRITISH GUIANA. 



partly exposed, tlie sliafts of the outer primaries swollen, 

 the outer web obliterated at the enlargement, and the tail 

 rounded. 



Key to the Species. 



A. Under surface slate-grey C. largipen n is, p. 390. 



13. Under sui-face nifous C. hyperythrus. p. 391. 



202. Campylopterus largipennis. 



Broad-.-^hafted Sabre-wing. 



Trochilus largipennis Bodd. Tabl. PL Enl. p. 41, 17S3 (Cayenne). 

 Campylopterus latipennis Cab. in Scbomb. Keis. Guian. iii. p. 709, 



1848. 

 Campylopterus largipennis Salvin, Ibis. ISSo, p. 432 ("Bartica Grove, 



Camacusa, Mermne Mts.. Atapurau Kiver) ; id. Cat. B. Brit. 



Mus. xvi. p. 288, 1892 (Berbice; ; Brabourae k Chubb, B. S. Amer. 



i. p. 110. no. 1048, 1912. 



Adult fonale. Head, upper wing-coverts, entire back, and 

 middle tail-feathers green ; flight-quills uniform blackish brown ; 

 outer tail-feathers blackish tinged with green on the outer web.s 

 and broadly tipped with white ; sides of face and entire under 

 surface slate-grey. 



Total length 130 mm., culnien 24, wing 77, tail 53. 



The female from which the description is taken was collected 

 by Mr. McConnell on the Lower Mazaruni River in 1898. 



Adult male. Differs from the adult female in having the shafts 

 of the outer primary-quills much swollen and flattened. Wing 

 71 mm. 



The description of the male is taken from a specimen collected 

 on the Supenaam River in 1911. 



Breeding-season. Unknown in British Guiana. 



Sest. " Built of plant-cotton and suspended in a bush between 

 fork-shaped twigs " [Scliomhurgh). 



Eggs. Undescribed from British Guiana. 



Range in British Guiana. Ituribisi River. Supenaam River, 

 Bartica, Bonasika River. Lower Mazaruni River, Arwye River, 

 Great Falls Demerara River {McConnell collection) ; Berbice 

 [Gould collection in the British Museum) ; Bartica, Merume 

 Mountains, Kamakusa, Kamarang River {Whitehj). 



Extralimital Range. Northern Brazil. 



