THE SELOtJS COLLECTIOX. 55 



and northern slopes of Mt. Kenya, northwards across the Northern 

 Guaso Njiro Valley towards Lake Kudolf. 



299-305 —19. 7. 15.324-330. January and February, 1912. Northern 

 Guaso Nyiro, Kenya Colony. 



SPKINGBUCK. 



A]S"TIDOECAS MARSUPIALIS MARSUPIALIS. 



La Gazelle a bourse sur le dos, AUamand, Schneider's ed. BufPon's 



liistoire Naturelle, Suppl. vol iv. p. 142, pi. Ix., 1778. 

 Aiitilope marsupialis, Zimmermann, Geogr. Geschichte, vol. ii. p. 427, 



1780. 

 Antilope euchore, "Forst.," Zimmermann, op. cit. vol. iii. p. 269, 1783. 

 Gazella euchore, A. Smith, S. African Quart. Journ. vol. ii. p. 191, 1834. 

 Antidorcas euchore, Sundevall, K. Svenska Vet.-Ak. Handl. 1845, p. 271, 



1847. 

 Antidorcas marsupialis, Elliot, Cat. Mamm. Field Mus. (Field Mus. Zool. 



Pub. no. 115, vol. viii.) p. 75, 1907. 

 Antidorcas marsupialis marsupialis, Lydekker and Blaine, Cat. Ungulate 



Mamm. Brit. Mus. vol. iii. p. Ill, 1914. 



Distinguished from the Gazelles b}^ the presence of a large 

 avertible dorsal gland extending from middle of back to rump, and 

 lined with long white hairs, the absence of inguinal glands, and 

 presence of only two pairs of lower premolars. Horns of medium 

 size (from 14 to 19g inches in length in good specimens), sub- 

 lyrate, with incmwed tips. 



Best horn measurements (No. 19. 7. 15. 331) : — length on front 

 curve 13 J ; circumference 6 ; spread from tip to tip 5|. Of the 

 female specimens No. 19. 7. 15. 334 has exceptionally long horns, 

 measuring 10| inches in length with a tip to tip interval of 

 5| inches. 



Typical locality, probably southern Cape Colony ; range includes 

 the Orange Kiver Colony and Bechuanaland, extending westwards 

 into Angola. 



Selous * gives the following account of the distribution of the 

 Springbuck in South Africa in the year 1881: — "The Springbok 

 is still found in the north-western portions of the Cape Colony, 

 and throughout the Free State, Transvaal, and Griqualand West, 



* Proc. Zool. Soc. 1881, p. 757. 



