183 
THE HIPPOPOTAMUS. 
have been four other species. It has 
four cutting teeth in each jaw ; those in the 
louver jaw straight and pointing forward nearly 
horizontally, the two middle ones being the 
longest. The canine teeth or tusks are four 
I't number ; those in the upper jaw short, 
fhose in the lower sometimes as long as two 
foet, and weighing six pounds. These are in 
great request among traders, and dentists in 
particular, as they furnish a material for arti- 
ficial teeth which does not turn yellow like 
^fiose made from the elephant’s tusk. 
From his size, manners, food, and haunts, 
has been concluded by most commentators 
ffiat this animal is the behemoth of the Scrip- 
f'lres. He inhabits all the large rivers of 
■Africa, from the Niger to the Cape of Good 
^ope, but is not found in any of those that 
fall into the Mediterranean, excepting the 
^ile, and there, whether owing to the increase 
^f his natural enemies, or a deficiency in the 
