140 BIRDS OF BRITISH GUIANA. 



439. Arundinicola leucocepliala. 



White-headed Marsh-Tyrant. 



Pipra leucocephala Linn. Mus. Ad. Frid. ii. Prodi-, p. 33, 1764 



("Surinami"). 

 Arundinicola leucocephala Cab. in Schomb. Eeis. Gruian. iii. p. 703, 

 1848 : Salvin, Ibis, 1885, p. 291 (Bartica Grove) ; Sclater, Cat. B. 

 Brit. Mus. xiv p. 37, 1888 (Bai-tica Grove) ; Lloyd Price, Timehri 

 (2) V. p. 64, 1891 (nests and eggs) ; Quelch, torn. cit. pp. 91, 92 

 (Georgetown) ; Braboume & Chubb, B. S. Amer. i. p. 264, no. 2690, 

 1912. 



"The Parson" {Schomhurgk) ; "Parson-bird" {Quelch). 



Adult male. General colour above and below including the 

 back, wings, and tail on the upper surface, and the breast, 

 abdomen, under tail-coverts, and under wing-coverts on the lower 

 parts ; a concealed patch o£ white on the lower flanks ; primary 

 and secondary quills brown on the inner webs and at the tips 

 above, and similar though somewhat paler below ; lower aspect 

 of tail black ; entire head, throat, and neck all round white ; 

 rictal bristles and a few hair-like tips to the feathers in front of 

 the eye black. 



Total length 123 mm., exposed calmen 15, width at base 9, wing 

 61, tail 44, tarsus 17. 



The male from v^ich the description is taken was collected on 

 the Abnry River in November 1906. 



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

 crown, back, and sides of breast ash-grey, the wings dark brown, 

 the middle of the breast, abdomen, under tail-coverts, and the 

 under wing-coverts grey edged with white. Wing 54 mm. 



The female described was collected on the Abary River in 

 July 1906. 



Breeding-season. Unrecorded in British Guiana. 



Nest. Built of gnss stems and plant-cotton and usually found 

 in a bush near water {Schomhurglc). 



Eggs. " White, usually one or two in number" (Schomhurgk), 



Range in British Guiana. Upper Takutu Mountains, Ituribisi 

 River, Supenaam River, Bartica, Bonasica I^iver, Abary River, 

 AnaricaRiver {McConnell collection); Bartica {Whitely). 



Extralimital Range. Surinam (Penard), Venezuela, Colombia, 

 Peru, Brazil, Boliva, Argentina. 



Schomhurgk states (Reis. Guian. iii. p. 703) that this beautiful 



