CLASS I. 
MAMMALIA: 
ORDER 4. INSECTiyORA. 
139 
ITILOCERQUB LOWII. 
Ong tail, the first half naked, and the rest fnvuished with hairs like tlie barbs of a feather. It 
iiffers from the other tupaia in several points of its striicture. 
THE HEDGEHOGS 
Genus HEDGEHOG : Erinaceus. — Although the hedgehog is not found in America, we have so 
>ften read accounts of it that it is as faraihar to ns as one of our own animals. The body is short, 
jhick, and stout ; the nose pointed, the tail short or entirely wanting, and the upper surface more 
or If^ss covered with short spines, which, when the animals roll themselves up into a ball, as they 
always do when alarmed or threatened, present an almost insuperable obstacle to any preda- 
ceous animal that might attack them. They are confined to the Eastern Hemisphere, where they 
are principally found in the milder regions, though they are common in England. They are noc- 
