    Sentence . 4: The *.publisher’ sent.  unrevised bound proofs from which this  review, was~ prepared; ‘unfortunately,  there was no proof of'an. index, but the  publislier Has assured me that there will  be, one in ‘the published. book, a rather  essential ingtedient ofa work with this  title. 7         Sentence .2: Even though the Polisher  unrevised proofs, they: insisted-that: an  index would be published along withit.