205 
THE ADDAX, i 
f 
Oryx aidax Smith. 
PLATE XXV. 
Oryx addax, H. Smith in Griff. Cuv. iv. p. 193. and Synops. 
— Fred: Cuvier, Hist. Nat. des Mammif. Antilope ad- 
dax, Jiiese in Nordlichen Afrika. — Ruppel, tab. 7. 
The di.stinctions, or rather rarlations, between this 
fine animal and the true Oryxes, are, in “ having the 
croup somewhat more elevated than the shoulders, 
a lengthened mane on the neck, and a tuft of hair be- 
low the throat.” The spiral twisting of the horns 
will also be seen to vary from those of the animal on 
our last plate, where they are nearly straight. Ac- 
cording to Ruppel, the Addax is found in Nubia, 
and extends over the whole of the desert, which 
they are enabled to traverse from their fleetness, 
assisted by their wide-spreading hoofs, which do 
not sink in the running sands, nor clog their pro- 
gress. In the plate of this animal given by Ruppel, 
which has served for our copy, the whole body and 
limbs are white, the head and neck of a greyish-brown, 
marked across the forehead and in front of the eyes 
with a white band, broadest at the ends as they fall 
upon the cheeks. The hair between the horns on 
