THE MOUNTAIN PEOPLE
by COLIN TURNBULL
309 pages. Simon & Schuster. $7.95.
Colin Turnbull is an anthropologist shouting from the bottom of a very unpleasant moral pit that he seems to have dug with his own shovel. Turnbull practices total-immersion anthropology of the kind that Margaret Mead (a senior colleague of his at the American Museum of Natural History) made famous when as a young woman she went to live with tribes in Samoa and New Guinea. Though he lacks Mead's robust good sense, Turnbull is well remembered for The Forest People, which he...