240 BOVID^l. ADDAX. 



6. Skull and horns (of female ?) (horns slender). 

 e. Base of skull and horns. S. Africa. 



d. Horns (separate ; short, thick). S. Africa. 



e, f. Horns. Gamhia. Presented by the Earl of Derby. 



g. Horns (separate). S. Africa. From Mr. Ai'gent's Collection. 



The Sable Antelope. iEgocerus niger. 

 a. Skull. S. Africa. From Mr. Gordon Curuming's Collection. 



ORYX. 



Teeth -.—Incisors £2 ; Canines ^ ; Premolars j£| ; Molars ^ ; =32. 



The Pasaj* or Gemsboc. Oryx gazella. 



a. Single horn. 



b-d. Horns on head. S. Africa. 



e. Skull and horns. S. Africa. From Mr. Stevens's sale. 



/. Single horn. 



The Obyx. Oryx leucoryx. 



Gray, Cat. Mamm. Brit. Mus. pt. iii. p. 107. tab. 12. figs. 3, 4 (skull), 



1852. 

 Algazel, Buff., Hist. Nat. xii. tab. 32. figs. 1, 2. 



a. Skull and horns. N. Africa. 



b. Single horn of young. N. Africa. 



c. Single horn. N. Africa. 



d. Skull : young. Sennaar. 



ADDAX. 



Teeth :— Incisors ?=? ; Canines °-=£ ; Premolars t± ; Molars P ;=32. 



4-4 ' 0-0 ' 3-3 ' 3-3 ' 



The Addax. Addax nasomaculatus. 



Gray, Cat. Mamm. Brit. Mus. pt. iii. p. 109. tab. 12. fig. 5 (skull), 1852. 



Cervical vertebrae 7 



Dorsal 13 



Lumbar 6 



Sacral 4 



Caudal 16 



a. Horns (not united). N. Africa. Presented by Captain Clap- 



perton, P.N., and Major Denham. 

 *b. Skeleton (imperfect). Presented by the Earl of Derby. 

 c. Skeleton: male. N.Africa. From the Zoological Society's Col- 

 lection. 



