The Animal Behavior Series

Under the General Editorship of

ROBERT M. YERKES, Ph.D.

Instructor in Comparative Philosophy, Harvard University

The aim of the Series is to present a number of small volumes which taken together shall form a comprehensive introduction to Comparative Psychology

NOW READY

The Dancing Mouse

By ROBERT M. YERKES, Ph.D.

Cloth, 12mo, xxi + 290 pages, Illus., $1.25