24 CORVIDiE. 



q. Ad. sk. Mozambique. Purcliased. 



r. cf ad. sk. N.E. Madagascar (7'awZ)am). R. B. Sharpe, Esq. 



s. <5ad.sk. Nossi-R4. MM. Pollen and Van Dam 



[C.]. 



4. CORVULTUR. 



Type. 



Conidtiir, Less. Traite cVOni. p. 327 (1831) C. albicollis. 



.\rchicorax, Glogei-, Ilaiul-b. Naturg. p. 274 (1842) .... 0. albicollis. 



Ranrje. Soutliern and North-eastern Africa. 



Key to the Species. 



a. Roimd the neck a plain white collar; feathers of 



throat lanceolate; round the chest a concealed 



white collar albicollis, p. 24. 



b. Nape broadly white, as also the hind neck, connected 



by a narrow white b:ind down the hind neck ; 

 feathers of throat rounded ; no white collar on the 

 chest crasstrostris, p. 25. 



1. Corvultur albicollis. 



South-Sea Raven, Lath. Gen. Syn. Suppl. p. 75. 



Corvus albicollis, Lath. Lid. Orn. p. 151 ; JDaud. Traiti d'Orn. ii. p. 



227, pi. xiv. ; Wagler, Syst. Av. Corvus, sp. 5 ; Lnyard, B. S. Afr. 



p. 167; Gray, Hand-l.'B.n.T^.lA. 

 Le Corbivau, Levaill. Ois. d^Afr. ii. pi. 50 ; Sundev. Crit. oni Levaill. 



p. 29. 

 Corvus cafer, Licht. Cat. Rer. Nat. Llanib. p. 9 ; Gray, Gen. B. ii. 



p. 315 ; Schl. Mils. r.-B. Coraces, p. 3. 

 Corvus vultm-inus, Shaw, Gen. Zool. vii. p. 343. 

 Corvultm* albicollis. Less. Traite d'Orn. p. 327 ; Sharpe, Cat. Afr. B. 



p. 57 ; Gurney, in Anderss. B. Dam. Ld. p. 153 ; Shelley, Ibis, 1875, 



p. 77. 

 Corvultur cafer, Bp. Consp. p. 387. 

 Archicorax cafer, Cab. Mus. Hein. i. p. 233. 

 Archicorax albicollis, Cab. in Von der Decken's Reis. iii. p. 33 ; Finsch 



4- ITartl. Vogel Ost-Afr. p. 371. 



Adult. General colour above and below glossy black, without any 

 admixture of brown, excepting a slight shade on the inner second- 

 aries ; head purplish brown-black ; round the binder neck a very 

 broad white collar ; throat and fore neck duU brown, contrasting 

 with the rest of the under surface, from which it is separated by a 

 concealed band of white, the feathers composing which are either 

 edged with white or are pure white, sometimes with dark brown 

 centres ; " biU very dark brown, the tips of the mandibles of a white 

 horn-eolour ; legs and toes brownish black ; iris hazel-brown " {An- 

 dersson). Total length 18 inches, culmen 2-95, wing 15-7, tail 7'1, 

 tarsus 2"95. 



Young. More dusky brown than the adult, the lower feathers of 

 the white neck-collar mesial! y streaked with brown ; below with a 



