An experiment of bringing up an infant ape under identical conditions with a human infant was reported in outline last year by Winthrop Niles Kellogg, associate professor of psychology at Indiana University (TIME, May 23, 1932). Last week Dr. Kellogg, with his wife collaborating, detailed in a book* their curious stunt, the fun and trouble they had.

Professor Kellogg conceived the experiment when he was at Columbia University, six years ago. After he secured his Indiana post and other psychologists applauded the idea, the Kelloggs agreed to have a baby to companion...