CARNIVOROUS QUADRUPEDS. 51 
tiff, the slender and 
swift Greyhound, the 
pugnacious Bulldog, 
the brisk little Ter- 
rier, the Foxhound, 
Beagle, and Pointer 
: =~ used in hunting, etc. 
Fig. 32.—King Charles’s Dog. The differences, you 
observe, are as wide 
in disposition and habits as in form, size, and color. 
Now all these varieties, it is agreed by all zoologists, 
Fig. 33.—Bloodhound. 
came from one source, though exactly what was the char- 
acter of the original undomesticated dog is not settled. 
80. The cause of the wide range of varieties in this 
species is the influence of domestication referred to in 
§ 40. The degree of domestication is greater in the dog 
than in any other case. No other animal is so thorough- 
ly the companion of man. Cuvier says that the dog is 
the only animal that has followed man through every re- 
gion of the earth. His attachment to his master is pe- 
culiar, and is seldom seen in other animals in the same 
degree. The contrast between the cat and the dog in 
