CAENIVOROUS QUADEUPEDS. 



51 



Fig. 32.-Kiu S c 



tiff, the slender and 

 swift Greyhound, the 

 pugnacious Bulldog, 

 the brisk little Ter- 

 rier, the Foxhound, 

 Beagle, and Pointer 

 used in hunting, etc. 

 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 



