320 BIRDS OF BRITISH GUIANA. 



553. Vavasouria alba. 

 White Bell-bird. 



Ampelis alba Hermann, Tab. Affinit. Animal, p. 213, 1783. 



Ampelis nivea Bodd. Tabl. PI. Enl. p. 49, after December 1783 (Cayenne). 



Chasmorhynehus carunculatus Cab. in Schomb. Reis. Guian. iii. p. 692, 



1«48. 

 Casmorliynchus carunculatus Brown, Canoe and Camp Life, p. 123 



(Roraima), p. 181 (Burro-Burro), 1876. 

 Chasmorhynehus niveus Salvin, Ibis, 1885, p. 306 (Bartica Grove, 



MerumS Mts., Atapm-au River, Roraima, 3500 ft.) ; Sclater, Cat. B. 



Brit. Mus. xiv. p. 403, 1888 (Camarang River) ; Quelch, Timehri 



(2) iv. p. 320, 1890 (Upper Berbice River). 

 Gasmorhynchus niveus Brabom-ne & Cbubb, B. S. Amer. i. p. 325, 



no. 3319, 1912. 

 Procnias alba Stresem. Nov. Zool. xxvii. p. 330, 1920. 



" Campanero " {Quelch). 



Adult male. General colour both above and below pure white. 



Total length 277 mm., exposed culmen 18, Caruncle on fore part 

 of head 58, wing 163, tail 96, tarsus 20. 



There is one specimen in the collection which has the caruncle 

 94 mm. 



The male described was collected by Mr. McConnell on the 

 Cotinga River during his expedition to Mount Roraima in October 

 1898. 



Adult female. General colour above yellowish green, including 

 the head, back, wings, and tail ; some of the upper wing-coverts 

 have pear-shaped pale tips ; flight-quills dark brown on the inner 

 webs and margined with white ; tail-feathers pale brown on the 

 inner webs ; sides of the face similar to the upper surface ; throat, 

 breast, abdomen, and sides of body white ; the feathers broadly 

 margined with green, becoming uniform j-ellow-lemon on the vent 

 and under tail-coverts ; axillaries, under wing-coverts, and inner 

 edges of quills below cream-white ; remainder of the under surface 

 of the quills and lower aspect of the tail pale brown. Wing 

 136 mm. 



The description of the female is taken from an example collected 

 on the Supenaam River in 19 11. 



Immature male. Upper surface a mixture of white, grey, green, 

 and brown. The feathers, which are for the most part white at 

 the base, have obsolete green or brown tips and others pale yellow, 

 and as the white increases in extent towards the tips, the colours 

 break up into fine, mottlings. On the under surface these 



