140 BIRDS OF BRITISH GUIANA. 



43!». Arundinicola leucocephala. 

 White-headed Marsh-Tyrant. 



Pijrra leucocpphala Linn. Mus. Ad. Frid. ii. Prodr. p. 3:3, 17G4 

 f" Surinami "). 



Arundinicola leucoccphaln Cab. in Schomb. Reis. Guian. iii. p. 703, 

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

 Brit. Mus. xiv p. 37, 1888 (Bartica Grove) ; Llovd Price, Timehri 

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

 (Georgetown) ; Brabourne k Chubb, B. S. Amer. i. p. 264, no. 2690, 

 1912. 



" The Parson '* (Schomlnnu/k) ; " 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 

 j)arts ; a concealed patch of 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 ueck all round white ; 

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

 the eye black. 



Total length 12.'*) mm., exposed cidmen lo, width at base D, wing 

 Gl, tail 44, t:irsus 17. 



The male from which the description is taken was collected on 

 the Abiiry River in November 1906. 



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

 erown, Ijack, and sides of breast ash-grey, the wings dark brown, 

 tiie 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 190(3. 



Breeding-xeasna. Unrecorded in British (jruiana. 



I^est. Built of gr.iss stems and plant-cotton and usually found 

 in a bush near water {Schomlniryk). 



E<jfjs. " White, usuall}' one or two in number " (Schomhnr(ik). 



Range in British Guiana. Upper Takutu Mountains, Ituribisi 

 River, Supenaam River, Bartica, Bonasica River, Abary River, 

 AnaricaRiver {McCotmell collection); Bartica (Wldtely). 



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

 Peru, Brazil, Boliva, Argentina. 



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



