Baldwin, J. (1887). Instinct. In J. Baldwin, International education series. Elementary psychology and education: A text-book for high schools, normal schools, normal institutes, and reading circles, and a manual for teachers (pp. 15-24). New York, NY, US: D Appleton & Company.
http://dx.doi.org/10.1037/14302-002
By this is meant the capability of animals to do blindly the best for themselves. A mind is capable of knowing, feeling, and willing. What a mind can do is called a mental power. The simplest of the mental powers are the guiding impulses, called instincts. It is deemed best to begin the study of mental phenomena with the lowest and least complex manifestation of mind. (PsycINFO Database Record (c) 2016 APA, all rights reserved)