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 
