INSTINCT 105
The Difference Between
an Instinct and a Reflex 107
An Instinct Is a Native
Reaction-Tendency 109
Fully and Partially
Organized Instincts 111
Instincts Are Not Ancestral Habits 113
Instincts Not Necessarily Useful
in the Struggle for Existence 114
The So-called Instincts of
Self-preservation and of Reproduction 115
Exercises 117
References 117