PALCONID^ 



HALIABTUS 



311 



1874, p. 360 [Limpopo] ; Sharpe, ed. La/yard's, B. 8. Afr. pp. 46, 798 

 (1875-84) ; Ayres, Ibis, 1877, p. 340 [Potohefstroom] ; Gwmey, Ibis, 

 1878, p. 453 ; Shelley, Ibis, 1882, p. 238 [Mashonalaad] ; Holub Sr 

 Pelzeln, Orn. Sud-Afr. p. 26 (1882) [Upper Zambesi] ; W. Ayres, 

 Ibis, 1887, p. 48 [Zoutspansberg] ; Bryden, Gun and Camera, p. 66 

 (1893) [Botletli river] ; Flech, Joum. Ornith. 1894, p. 393 ; Millais, 

 Breath from the Veldt, pp. 142, 173 (1895) [Bubye river] ; Shelley, 

 B. Afr. i, p. 148 (1896) ; Woodivard Bros. Ibis, 1898, p. 223 [Zulu- 

 land] ; id. Natal, B. p. 148 (1899) ; Marshall, Ibis, 1900, p. 259 

 [Mashonaland] ; Alexander, Ibis, 1900, p. 435 [Zambesi] ; Beichenow, 

 Vog. Afr. i, p! 605 (1901). 

 'Groote Visch-vanger " of Dutch; " Oudekeloek" at Knysna (Marais) ; 

 " Inkwazi " of Zulus (Woodward). 



Fig. 102. — HaliaUus vocifer. x |. 



Description. Adult male. — Head, neck, upper part of the back, 

 breast, and tail pure white ; rest of the upper surface including the 

 wings black, except the least coverts which are deep rufous, as is also 

 the abdomen, under tail- and under wing-coverts ; wing-quills bluish- 

 black below. 



Iris yellow ; bill black, yellow at base ; cere yellow ; legs yellow. 



Length 28'0 ; wing 20-5 ; tail 7-75 ; culmen 2-60 ; tarsus 3-50. 



The female is larger, wing 22-0 ; tail 8- 25 ; tarsus 4-20. 



The young bird, which Mr. John Wood tells me does not acquire 

 its mature plumage till the third summer, is brown above with 

 white edgings and frecklings to many of the feathers, especially on 

 the hind neck and upper tail-coverts ; tail white with brown 



