THE DIFFERENCE OF MAN AND THE DIFFERENCE IT MAKES by Mortimer J. Adler. 395 pages. Holt, Rinehart & Winston. $7.95.
It is 108 years since Charles Darwin's The Origin of Species exploded in the midst of the square Victorian scene. Man's thoughts about man have not been the same since. Is he in truth just a little lower than the angels? Or did he evolve as just another species of animal? It seems like an old-fashioned question, but it still preoccupies poets, theologians, scientists and—emphatically—naturalists, whose books on primates seem to be crowding each other to get on the publishers' lists.*
Mortimer Adler,...