170 HEREDITY 



down at once as a mule. The ears are 9| inches 

 long, the girth not quite 6 feet, and stands above 

 16 hands high. The hoofs are so long and narrow 

 that there is a difficulty in shoeing them, and 

 the tail is thin and scanty. He is a beast of 

 indomitable energy and durability, and is highly 

 prized by his owner.'* 



' A similar case is recorded by Dr. Burgess, of 

 Dedham, Massachusetts, who says : " From a mare 

 which had once been served by a jack I have seen a 

 colt so long-eared, sharp-backed, and rat-tailed that I 

 stopped a second time to see if he were not a mule." 't 



' A pure Aberdeenshire heifer was served with a 

 pure Teeswater bull, by which she had a first cross- 

 calf. The following season the same cow was served 

 with a pure Aberdeenshire bull ; the produce was a 

 cross-calf, which, when two years old, had very long 

 horns, the parents being both polled.' 



' Mr. Darwin cites the following case from the 

 Philosophical Transactions, 1821 : " Mr. Giles put a 

 sow of Lord Western's black and white Essex breed 

 to a wild boar of a deep chestnut colour, and the pigs 

 produced partook in appearance of both boar and sow, 

 but in some the chestnut colour of the boar strongly 

 prevailed. After the boar had long been dead the 

 sow was put to a boar of her own black-and-white 

 breed — a kind which is well known to breed very true, 

 and never to show any chestnut colour — ^yet from this 



* Goodale, ' Principles of Breeding,' p. 48. 

 t Country Qentleman, 1870, p. 426. 



