BAt^XIClPITIDjE. 287 



Family II. BALiENICIPITIDiE. 



1. BALJENICEPS. ^ 



Type. 



BalfBniceps, Gould, P. Z. S. 1851, p. 1 B. rex. 



Range. The region of the Upper White Nile. 



1. BalaBniceps rex. 



Balaeniceps rex, Gould, P. Z. S. 1851, p. 1, pi. xxxv. (Upper White 

 Nile); Jardine, Confr. Orn. 1851, p. 11, pi. 68; Bp. Consp. Av. ii. 

 p. 143 (1855); Hevgl. J. f. O. 1S55, p. 65; Brehm, torn. cit. 

 p. 488 (Kartoum); Hetu)l' S>/st. Uebers. p. 60 (1856); Parker, 

 Tram. Zool. Soc. iv. pp." 269-351, pis. Ixiv.-lxvii. (1860) ; Eeinh. 

 P. Z. S. 1860, p. 377; Bartlett, P. Z. S. 1861, pp. 131-134, 

 figs. 1-3 (ptervlography) ; A. Neioton, Ibis, 1862, p. 79; Hartm. 

 J. f. O. 1864, p. 235 (Gazelle R.) ; Antin. Cat. descr. Ucc. 

 p. 105 (1864) ; Wolf, Zool. Sketches, 2nd series (1864) ; 

 Schl. Dieretit. p. 240, cum fig. (1872) ; Gray, Hand-l. B. iii. p. 34, 

 no. 10183 (1871); Heuql. Orn. N.O.-Afr. ii. p. 1095 (1873); 

 Reichen.J.f. O. 1877, pp. 232, 276; Ilart I. Ibis, 1883, p. 2.33; 

 Johnston, toin. cit. p. 578 (Cun6ne) ; id. Biver Cmujo, p. 370 (1884) ; 

 Sharpe, ed. Layard's B. S. Afi\ p. 727 (1884) ; Beddard, P. Z. S. 

 1888, pp. 284-290 (anatomy) ; Junker, Travels in Africa, 

 pp. 45, 65 (1892: White Nile). 



Adult. General colour above dark ashy, the feathers of the 

 mantle, scapulars, and wing-coverts having a slight greenish gloss 

 and fringed with dull white ; the median and greater coverts light 

 ashy grey at their ends ; quills and tail blackish, with a slight 

 greenish or purplish gloss, the inner secondaries like the back ; 

 head and nape, which is slightly crested, dark slaty grey ; sides of 

 face, neck, and under surface of body paler and more hoary grey, 

 with some lanceolate black-centred feathers on the fore-neck ; 

 abdomen and under tail-coverts white : " bill ochraceous, obliquely 

 streaked with dusky blackish ; lores and feet leaden black ; bare 

 part of chin olivaceous ; iris sometimes pale yellowish, sometimes 

 greyish white ; palate and tongue ashy flesh-colour " (Hew/lin). 

 Total length about 46 inches, culmen 8'1, wing 26, tail 10, 

 tarsus 10. 



Young. Everywhere browner, and not so ashy in colour as the 

 adults. 



Eab. Upper White Nile. 



a. Ad. st. White Nile. Purchased. 



b. Jiiv. St. White Nile. Consul Petherick [C.]. 



c. Skeleton. Zool. Soc. 



d. Skull. Zool. Soc. 



