'>90 



l\Ir. R. I. Pocock on some 



In an example of the typical race of this species from 

 Korthern Nigeria, the gland (Hg. -4-, B) consists of a 



thickiiicd area ot skin concealed and ovcrijrown by hair 

 basally adherent witli seiretion. The gland is al)Out 30 mm. 

 long and 6 mm. thiik and slightly elevated, resembling tl 



le 



Fij?. 4. 





mm^ 



I ' A, ^^ ^ ■O, 



A. Muzzle and iliinariiim of Aif/orj/.r alr/azel from the front. X 5. 



li. Piei)rbita! gland of the .*ame in lonfritudinal section. 



C. Kxtremity of the penis of the same from the left .side, 



D. The same from the ri{;ht side with urethral process pulled down. 



E. Extremity of penis of Ilippotragns niijer with urethral process 



straifrhtened. 



F. Muzzle and rhinarium of Oryx gazella from the side. 



corresponding gland of Hippotragus, although shorter as 

 compared with its thickness. 



Tiie muzzle (fig. 4, A) in its general features is like that 

 of Oryx yuzdiu, but the rhinarium is considerably more 

 reduced. When viewed from the front it is much wider as 



