446 BIRDS OF BRITISH GUIANA. 



Adult female. Similar to the adult male. Wing 130 mm. 



The immature birds differ from the adult in being dusky brown 

 above with no white edgings to the feathers ; the head is like the 

 liack ; throat also dusky brown but paler than tlie top of the head, 

 and the greater upper wing-coverts have buff shaft- stre;iks. 



The female and immature birds described are in the British 

 Museum and were collected by AVhitelv at Mount Roraima in 

 January 1882 and June 1883 — Salvin-Godman collection. 



Breeding- season. Unknown in British Guiana. 



Sest. Unrecorded in British Guiana. 



Eggs. Undejcribed from British Guiana. 



Range in British Guiana. Ituribisi River, Supenaam River, 

 Bonasika River, Makauria River, Abary River, Berbice River 

 (McConnell collection). 



Extralimital Range. Northern Brazil. 



Genus CROTOPHAGA Linn. 



Crotophaga Linne, Syst. Xat. 10th ed. i. p. 105, 175S. Type C. ani 

 Linn. 



The members of this genus have eight tail-feathers, the bill much 

 compressed, the culmen very thin and elevated above the fore part 

 of the head, no crest on the head^ and the general colour black. 



Key to the Species. 



A. Smaller, wing less than 170 mm. ; tail less than 



190 mm C. ani, p. 446. 



B. Larger, wing more than 170 mm. ; tail more than 



190 ram C. major, p. 447. 



306. Crotophaga ani. 

 Common Am. 



Crotophaga atii Linn. Syst. Xat. 10th ed. i. p. 10-5, 1758 (Brazil) ; 

 Cab. in Schomb. Eeis. Guian. iii. p. 713, 1S48 ; Salvin, Ibis, 1886, 

 p. 63 ( Bartica Grove) ; Shelley, Cat. B. Brit. Mus. xix. p. 429, 

 1891 (Bartica Grove;; Lloyd Price, Timehri (2) v. p. 63, 1891 

 C habits ) : Quelch, torn. cit. p. 94 (habits) ; Beebe. Our Search 

 for a Wilderness, p. 131 (Georgetown), p. 253 (Matope), 1910; 

 Braboume & Chubb, B. S. Amer. i. p. 153, no. 1499, 1912. 



Crotophaga rugirosira Cab. in Schomb. Eeis. Guian. iii. p. 713, 1848. 



r Crotophaga sulcirostris Salvin, Ibis, 1886, p. 63. 



"' Old Witch " or '^ Jumby Bird '' [Lloyd Price). 



