CLASS-BOOK OF ZOOLOGY. 33 



2. The dog will never eat the flesh of a killed wolf, but 

 the wolf will. 



3. It seems more probable that the dog is a descendant 

 of the jackal, because their natural dispositions are more 

 similar. 



§ 88. The disease to which dogs are sometimes subject, 

 and according to which they become rabid, and commu- 

 nicate the same to every being they bite, is called hydro- 

 phobia. 



§ 89. Want of food and sufficient clean water, ill-treat- 

 ment, excessive fatigue, or the bite of another rabid dog, 

 are usually the causes of hydrophobia in the canine race. 



§ 90. The most efficacious remedy for hydrophobia is 

 said to be a decoction, made of the leaves and stems of the 

 Dyer's Broom, (Genista tinctoria,) drank freely during 

 three days ; after which time there will appear under the 

 tongue a number of blisters, filled with a yellowish-green 

 substance, which should be opened, and the mouth then 

 cleansed with the same decoction. 



§ 91. The Common Wolf (Canis lupus) is of the size 

 of the largest dog, has yellowish-gray short hair, a black 

 stripe on the fore-feet, and is found in the northern parts 

 of the whole world. When hungry, it digs up newly- 

 buried bodies, and its appearance in churchyards at night 

 may probably have given rise to the stories of the Man- 



\ 92. The Barking or Prairie Wolf (Canis latrans) is 

 three feet and a half long, and of a gray color. It barks 

 like a dog, and frequents the prairies of the West, follow- 

 ing, in great numbers the herds of buffaloes. Its fur is 

 much used. 



\ 93. The Dusky Wolf (Canis nubilus) is three and a 

 half feet long, of a dusky color, and a native of Missouri. 

 Its fur is used. 



\ 94. The Black Wolf (Canis Lycaon) is about three 

 feet long, black color, and an inhabitant of Missouri, Ore- 

 gon, and the British possessions of North America. Its 

 fur is valuable. 



\ 95. The Fox (Canis Vulpes) is of the size of a small 

 dog ; its fur is reddish brown ; it is a native of the north- 



