"This book examines habits and instincts in animals and humans. Observations of locomotion and other instinctive behavior in birds and mammals are presented. The relation of consciousness to instinctive behavior is addressed. Intelligence and the acquisition of habits is explored. Imitation and emotions are discussed. Habits and instincts in relation of the pairing season, nest building, incubation, and migration are examined. The relation of organic to mental evolution is considered. Whether acquired habits are inherited is addressed. Modification and variation and heredity in man is explored." (PsycINFO Database Record (c) 2010 APA, all rights reserved).