Play and Aggression: A Study of Rhesus Monkeys

Pp. (8), 246; 47 black-and-white photos and fine line-drawings each showing rhesus monkeys in play. Publisher’s original black cloth, lettered in orange on the spine, red pictorial dust jacket lettered in black, 8vo. This volume provides a qualitative and quantitative description of aggressive play with the object of clarifying its function. The author hypothesizes that the primary function of aggressive play is the practice and perfection of skills in predator avoidance and fighting. The study took place in Puerto Rico among free-ranging macaques near La Parguera. No ownership marks.