60 ORANGE COUNTY 



ence in food. Change of climate, or other physical 

 conditions to which they might be exposed, might 

 naturally be expected to produce considerable corre- 

 sponding modifications in the lorm, size, color, and 

 coating of animals; as it is well known that cattle 

 generally become very large and fat when reared for 

 many generations on moist, rich soils, where good 

 pasturage abounds, but are distinguished by the short- 

 ness of their legs ; while on drier situations, where 

 the herbage is sparse, their whole bulk is less, and 

 their limbs more muscular and strong, A country of 

 heaths, or of other innutritions plants, will not produce 

 a horse so large nor so strong as one of plentiful 

 herbage, as is manifested between those reared on 

 bleak mountains and fertile plains, high latitudes and 

 more temperate climes, sandy deserts and watered 

 vales. A change of situation in the one case, after a 

 succession of generations, not only diminishes the size 

 of the animal, but affects the character and form of his 

 body, head, and limbs. Thus, if a London dray horse 

 be conveyed to Arabia, and subjected to the same 



