4. oToeTPS. 13 



and tail black, the secondaries with an external ashy-grey shade ; 

 ruff white, rather scanty ; crop-patch brown ; rest of under surface 

 pale brown with very narrow yellowish-white shaft-lines ; bill 

 horn-black, the culmen yellowish ; feet dusky plumbeous ; iris 

 umber-brown. Total length about 30 inches, culmen 3'2, wing 

 about 22, tail 9, tarsus about 4-5, middle toe 5. 



Immature female. Fulvous brown, the secondaries lighter and 

 more ashy ; quills and tail blackish brown, the former externally 

 shaded with greyish ; lower back and rump white ; upper tail- 

 coverts brown, terminally washed with fulvous white ; crop-patch 

 brown ; rest of under surface brown, paler and more fulvescent in 

 centre of body, the feathers with pale fulvous-white central streaks, 

 very indistinct. Total length 34 inches, culmen 3-15, wing 24-5, 

 tail 11-5, tarsus 3-5. 



Hab. North-eastern Afi'ica, from Khartoum southwards to 

 Abyssinia and upper White-Nile district ; Senegambia on the west 

 coast. 



a. (S ad. St. Africa. Dr. Lidth de Jeude. 



b. 2 jun. sk. Senegal (Marche). M. Bouvier [E.]. 



4. OTOGTPS. 



Type. 



Otogyps, Gray, List of Genera of B. 1841, p. 2 0. auricularis. 



Hemigyps, Hoclgs. in Gray's Zool. Misc. p. 81 (1844) . . 0. calvus. 



Bange. Southern and North-eastern Africa, apparently absent on 

 the west coast. India generally and Siam. 



Key to the Sjjedes. 



a. Larger : brown ; inner face of thighs feathered .... aurindai-is, p. 13. 

 h. Smaller : black ; inner face of thighs bare calvus, p. 14. 



1. Otogyps auricularis *. 



L'Oricou, Levaillant, Ois. d'Afr. i.p. 36, pi. 9 (1799). 



Vidtur auricularis, I)aud. Traite, ii. p. 10 (1800, ex LevaiU.) ; Smith, 



S. Afr. Q. Journ. i. p. 13 (1829) ; Less. Traite, p. 22 (1831) ; £j}. 



Consp. i. p. 10 (1850); Pelz. Verh. z.-b. Wien, 1862, p. 126; Schl. 



Mus. P.-B. Vult. p. 9 (1862) ; Gurney, Cat. Bapt. B. p. 57 (1864) ; 



Sclater, P. Z. S. 1865, p. 676 ; Anlin. Cat. Descr. L'cc. p. 6 (1865) ; 



Heugl. Orn. N.O.-Afr. i. p. 8 (1869.) 

 Yultur auriculatus, Shaic, Gen. Zoo/, vii. p. 24, pi. 10(1809). 

 Vultur tracheliotus, Wolf, Abbild. naturg. Gegenst. pi. 5 (1816). 

 Vultur Ee^ypius, Temni. PI. Col. i. pi. 407 (1826, plate o?ily) ; Biipp. 



N. Wirb. Vdg. p. 47 (1835). 

 "S'ultur imperialis, Temm. PL Col. i. pi. 426 (1827). 

 Vultur nubicus, H. Smith in Griffith's An. Kingd. i. p. 164, pi. — 



(1829) ; Bp. Comp. i. p. 10 (1850). 

 Otosryps auriculari?, G. R. Gray, Gen. of B. i. p. 6 (1844) ; Cass. 



Cat. Vult. Phil. Mus. p. 1 (1849) ; Horsf. ^ Moore, Cat. B. Mus. 



* The N.E -African bird bas not such large wattles, and is considered by 

 Bome to be a distinct species. 



