1903 The Wild Horse 291 



distinct stripes above and below the hocks, and small faint 

 spots over the hind-quarters — vestiges apparently of ances- 

 tral markings ; but in the hybrid there are neither indications 

 of stripes across the hocks or withers nor spots on the 

 quarters. 1 



In having no indications of bars on the legs or faint 

 stripes across the shoulders, the hybrid differs from Prje- 

 valsky colts; it also differs in having a longer flank feather, 

 and in the facial whorl being well below the level of the 

 eyes. As in the Kiang and some of the wild horses, the 

 under surface of the body and the inner aspect of the limbs 

 are nearly white. 



In the hybrid the front chestnuts (wrist callosities) are 

 smooth and just above the level of the skin ; but instead of 

 being roughly pear-shaped as in the Kiang, they are some- 

 what shield-shaped as in the Onager. In the wild horse 

 the front chestnuts are elongated. 



In the Exmoor dam the hind chestnuts (hock callosities) 

 are 27 mm. in length and 10 mm. wide. In the sire there 

 is a minute callosity inside the right hock. In the hybrid 

 the hind chestnuts are completely absent. In the absence 

 of hock callosities the hybrid differs from the wild horse, in 

 which they are relatively longer than in Clydesdales, Shires, 

 and other heavy breeds of horses. In the hybrid, as in the 

 sire and dam, there are smooth, rounded fetlock callosities 

 (ergots) on both fore- and hind-limbs. 



In the wild horse the hoof is highly specialised, the 

 " heels " being bent inwards (contracted) to take a vice-like 

 grip of the frog. In the hybrid the hoof closely resembles 

 that of the pony dam ; it is shorter than in the Kiang, and 

 less contracted at the " heels " than in the wild horse. 



The Kiang hybrid further differs from a young wild 

 horse in the lips and muzzle, the nostrils and ears, and in 

 the form of the head and hind-quarters. 



The wild horse has a coarse, heavy head, with the lower 

 lip (as is often the case in large-headed horses and in Arabs 

 with large hock callosities) projecting beyond the upper. 



1 The complete absence of stripes in the Kiang hybrid is all the more interest- 

 ing, seeing that the dam's previous foals were zebra hybrids. Evidently the 

 Kiang hybrid lends no support to the telegony doctrine. 



