i8 



THE SHEEP AND ITS COUSINS 



of tail being, like the tendency to droop in the 

 ears, evidently due to the effects of domestication. 



That all the more typical sheep have suborbital 

 face-glands has been already mentioned, and it 

 remains to add that they display a further difference 

 from oxen in the presence of glands in the groin 

 and between the two main toes of the feet. Of 



Front View of Foot with the Hoofs expanded [A) of the Urial, and longitudi- 

 nal section of the same (j5). o, orifice of gland ; ^l, gland. 



these foot-glands in one of the Asiatic wild sheep, 

 Mr. R. I. Pocock, to whom I am indebted for the 

 accompanying illustration, writes as follows : ^ — 



" The pedal gland opens by a small circular 

 orifice (o) near the summit of the triangular de- 

 pression on the front of the pastern, some distance 



^ " On the Cutaneous Scent-glands of Ruminants," Proc. Zool. 

 Soc. London, 1910, p. 859. 



