120 LECTURE IV. 



utility to the inhabitants of many of the Asiatic 

 and African regions, since with a very small 

 portion of food they can travel for several days 

 together, and can also suffer a long abstinence 

 from water. The admirable contrivance of Na- 

 ture for enabling the animal to do this must by 

 no means be omitted. This consists in the sto- 

 mach of the Camel and Dromedary being so 

 formed as to be divided internally into a vast 

 many separate cells or cavities j and as the whole 

 organ is of great size, when the Camel drinks, 

 it takes in a very large quantity of water, which 

 is preserved in the cells of the stomach, and is, 

 at the pleasure of the animal, thrown back into 

 the mouth, in order to refresh that part when 

 heated and parched by the sun and dust. 



The genus JMoschus or Musk is distinguished 

 by having no horns, and in the mouth being fur- 

 mished with long, sharp, crooked tusks, one on 

 each side, directed downwards, and reaching 

 nearly two inches beyond the lips. The com- 

 mon Musk is an inhabitant of the mountains of 

 Thibet, and is of the size of a Roebuck, and of 

 a deep iron grey colour. The substance called 

 Musk, by far the most powerfully diffusive of 



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