MAMMALIA CARNIVORA DIAGRAM 3. 41 



their master every day. In some cases they are left to take care 

 of the children, and we know how the shepherd's dog watches 

 the flocks. In all northern countries, dogs are used to draw 

 carriages. In Belgium and Germany four and five together are 

 harnessed to carriages somewhat heavily laden, and others draw 

 their master merrily along. Some nations who live in the icy 

 North have no other beasts of burden, and fifteen or twenty are 

 then attached to a single sledge, and thus make long journeys 

 across the snow. 



The teeth of dogs are not so well adapted for tearing flesh as 

 those of cats, their canines are not so long and pointed ; the mo- 

 lars of cats are as fitted for cutting as a pair of scissors ; but 

 the last molar of dogs is flat, and formed to grind rather than 

 to cut. 



The hy&na which lives in Africa is considered a terrible animal, 

 but it does not deserve this reproach. At least it is not so for- 

 midable as the wolf; it- is easily tamed. It lives principally on 

 carrion, and only attacks living animals when it is compelled to 

 do so. As the dead are buried at a very slight depth in the 

 country which it inhabits, it often digs up the ground to devour 

 them, but it immediately takes to flight on the approach of a 

 man. 



THE SEALS, They form a family which may be called amphi- 

 bious, which means animals which can live either on land or in 



Seal. 



the water. The seals are, however, easily seen to be mammals ; 

 they have fur, and four limbs armed with claws, but which they 

 only use for swimming. Seals are found on the sea shore, where 



