38 



SUBKINGDOM YERTEBKATA. 



The Wolf, of which there is now considered to be but one 

 species in North America, is the best representative of the 

 Family. It generally hunts in packs. Unless impelled by 



ffig. Mr 



Fig. U5. 



hunger,* they seldom attack prey larger than themselves, 

 and they are so wary of traps that a traveler, when pursued, 

 has frightened them away by merely trailing a cord. Their 



bite, unlike that of any 

 other animal, is a succes- 

 sion of quick, violent 

 snaps. 



The Docf.Of all the 

 conquests achieved by man 

 over animals, that of the 

 dog is the most complete, 

 and, perhaps, the most 

 useful. Not only is he the 



Canisfamiliaris, Mastiff. Sole ammal that has fol- 



* Such is then their rapacity that they will make a meal of a harness or even of 

 old shoes that may be within their reach. 



