[1] : The Collaborative International Dictionary of English v.0.48

tales \ta"les\ t=a"l=ez, n. l., pl. of talis such
   persons. law
   a pl. persons added to a jury, commonly from those in or
       about the courthouse, to make up any deficiency in the
       number of jurors regularly summoned, being like, or such
       as, the latter. --blount. --blackstone.
   b syntactically sing. the writ by which such persons are
       summoned.
       1913 webster

   tales book, a book containing the names of such as are
      admitted of the tales. --blount. --craig.

   tales de circumstantibus l., such, or the like, from
      those standing about.
      1913 webster
see also:
tales book tales de circumstantibus 

[2] : Bouvier's Law Dictionary, Revised 6th Ed (1856)

tales, eng. law. the name of a book kept in the king's bench office, of such 
jurymen as were of the tales. see tales de circumstantibus. 

Tales >> T Words
Tales, definition of term: Tales
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