THE TERRITORIAL IMPERATIVE by Robert Ardrey. 390 pages. Atheneum. $6.95.
Robert Ardrey is a playwright and film writer (Khartoum) who has taken up anthropology at the top of his voice. Audibility can make for large audiences, and Ardrey has enjoyed them since publication of African Genesis (TIME, Dec. 15, 1961), his first solo expedition into man's past. In that book, on evidence that would arch any cautious anthropologist's eyebrow, Ardrey proved to his own satisfaction that man is a born killer. He toyed with some other revolutionary evolutionary notions too, but he lacked either the time or the background to push them...