ANTILOPIX.E 69 



A.— Gazella leptoceros leptoceros. 



Gazella leptoceros typica, Sclater and Thomas, Book of Antelojyes, 

 vol. iii, p. 149, 1898. 



Typical locality apparently Sennar. 

 General characters those of the species. 

 95. 10. 15. 1. Skull, with horns, and skin. Western 

 part of Libyan Desert ; collected by A. E. Bird wood, Esq. 



Presented hj Dr. P. L. Sclater, 1895. 

 5. 12. 12. 3. Skull, with horns, and skin, Wadi-Natrun, 

 Egypt ; collected by Jennings Bramley, Esq. 



Presented hy Mrs. John Anderson, 1905. 



B.— Gazella leptoceros loderi. 



Gazella loderi, Thomas, Ann. Mag. Nat. Hist. ser. 6, vol. xiii, p. 452, 



1894, Proc. Zool. Soc. 1894, p. 470, pi. xxxii ; Loder, Proc. Zool. 



Soc. 1894, p. 473; Pease, ibid. 1896, p. 813; Whital-er, ibid. 



1896, p. 816. 

 Gazella leptoceros loderi, Sclater and Thomas, Book of Antelopes, 



vol. iii, p. 148, 1894; Hartert, Novit. Zool. vol. xx, p. 33, 1913; 



Ward's Records of Big Game, ed. 7, p. 258, 1914. 



Typical locality the sand-dunes in the neighbourhood of 

 Biskra, Central Algeria, to which area, together with the 

 adjacent part of Tunisia, this race is restricted. 



Separated by Sclater and Thomas as a distinct race, but 

 points of difference from typical race not known. 



94. 6. 4. 2. Skull, with horns (fig. 15), and skin. Ten 

 miles south of Biskra. Type. 



Presented hy Sir E. G. Loder, Petri., 1894. 

 94. 6. 4. 3. Erontlet and horns. Purchased at Biskra. 



Set me history. 

 94. 6. 4. 4. Skull, with horns. South of Biskra. 



Same history. 



94. 4. 18. 4. Erontlet and horns. Purchased at Biskra. 



Presented hy J. Rowland Ward, Esq., 1894. 



95. 8. 20. 1. Skin, mounted, and skull. South of Choff- 

 Jerid, Tunisia. Presented hy J. I. S. Whitaker, Esq., 1895. 



95. 8. 20. 2. Skull, with horns, and skin, female. Same 

 locality. Same history. 



