THE SELOtTS COLLECTION. 55 



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

 Guaso Nyiro Valley towards Lake Kudolf. 



299-305 19. 7. 15. 324-330. January and February, 1912. Northern 

 Guaso Nyiro, Kenya Colony. 



SPRINGBUCK. 

 ANTIDOKCAS MARSUPIALIS MAESUPIALIS. 



La Gazelle a bourse sur le dos, Allamand, Schneider's ed. Buffon's 



llistoire Naturelle, Suppl. vol. iv. p. 142, pi. lx., 1778. 

 Antilope 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 Elaine, Cat. Ungulate 



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



Distinguished from the Gazelles by the presence of a large 

 evertible 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 19J inches in length in good specimens), sub- 

 lyrate, with incurved tips. 



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

 curve 13| ; 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. 



