RUMINANT QUADRUPEDS. 99 



general appearance, but they are much smaller, and they 

 have no horns. The true Musk-deer, Fig. 83, is found 



Fig. 83. The Musk-deer. 



in the central part of Asia. The musk is contained in a 

 pouch. Its perfume is so strong when pure and fresh, 

 that the hunter, after killing the animal, is obliged to 

 cover his nostrils with cloth before he secures the pouch, 

 else he will have severe headache, and perhaps violent 

 bleeding from the nose. 



169. This substance, the most powerful perfume in the 

 world, is formed from the blood of the animal, like any 

 other secretion. And yet his blood does not differ essen- 

 tially from that of other animals, neither is his food espe* 

 cially different from that of those in the same neighbor- 

 hood. The chemistry which can produce this, and vari- 

 ous other perfumes in other animals, is utterly beyond 

 our knowledge. The same thing can be said of the 

 poisons in both the animal and vegetable world, they 

 being made in the animal from the blood, and in the 

 vegetable from the sap. 



170. The Antelopes are similar to the Deer in general 

 form and in activity. They differ from them chiefly in 

 having permanent horns. There are more than seventy 

 species distributed through the warm parts of the earth. 

 They are most abundant in Africa, a few species being 

 found in Asia, fewer still in America, and only two in 



