1873.] SIR V. BROOKE ON THE GENUS GAZELLA. 537 



my identification, I have never experienced any difficulty in referring 

 specimens entirely new to me to their proper name and habitat 



Ihe descriptions must be taken as applying to thoroughly typical 

 specimens, the intensity of the markings and length and curvature 

 of the horns being subject to great individual variation. 



Ihe height given is that taken in a straight line from the ground 

 to the point of the shoulder, the male being the sex measured, ex- 

 cepting where the contrary is stated. 



Gazella. 



Frame slender. Muzzle ovine. Colour sandy. Skull with ante- 

 orbita vacuity , and a moderate or small anteorbital fossa ; auditory 

 bulla large. Median incisors expanded. y 



A. Back unstriped. Dentition i. J c. °, p. ? m . -. 



A'. White of rump not encroaching on the fawn-colour of the 



haunches. 



a. Males and females bearing horns. 



a'. Horns lyrate or semilyrate. 



1. Gazella dorcas. 4. Gazella Imvipes. 



2. Isabella. 5. melanura. 



•J- rufifrons. 



V . Horns non-lyrate. 

 6. Gazella cuvieri. o. Gazella arabica. 



/. leptoceros. \Q. bennettii. 



8. spekii. U . fuscifrons. 



b. Females hornless. 



12. Gazella subgutturosa. 14. Gazella picticauda. 



lo- gutturosa. 



B'. White of rump projecting forwards in an angle into the 

 fawn-colour of the haunches. 



15. Gazella dama*. 17. Gazella scemmerringii. 



16. mohr. 18 . grant{ 



B. Back with a white median stripe. Dentition i. \, c. -, p. ■?, m . -. 



19. Gazella euchore. 

 1. Gazella dorcas. 



1764. La Gazelle, Buff. Hist. Nat. vol. xii. p 249 pi 23 

 7ZZ * ael > ? uff - H ist. Nat. vol. xii. p. 258, pi. 26. * 

 1/66. Capra dorcas, Linn. Syst. Nat. p. 96 f 



Buff) 6 ' AntUope dorcas and A ' kevella > p allas, Misc. p. 6 (after 



