g thereby inabled to walk very securely both on the skin 
      and hair; and indeed this contrivance of the feet is very curious, and could 
      not be made more commodiously and compendiously, for performing both these 
      requisite motions, of walking and climbing up the hair of a mans head, then 
      it is : for, by having the lesser claw (a) set so much short of the bigger 
      (b) when it walks on the skin the shorter touches not, and then the feet 
      are the same with those of a Mite, an