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PART III. 



Having completed our survey of certain 

 characters presented by the skeleton in dif- 

 ferent species of the order Primates, other 

 systems of organs may now be adverted to. 



That system of parts which clothes and is 

 attached to the various parts of the skeleton 

 may be taken naturally after the skeleton 

 itself. 



This system consists of the flesh, which, 

 being divided into a number of segments and 

 layers by intervening membrane, constitutes 

 the muscles, or active organs of motion. 



The muscles, however, present few charac- 

 ters of any great value for our purpose ; and 



