CHAPTER III. 



James. 

 Hallcck. 

 Ladd. 

 Morgan. 



Wundt 



PS^HOLOGY. 



The student of heredity should understand 

 psychology. A knowledge of the modus operandi 

 of mind, the powers of the soul, the laws of brain- 

 building and soul growth, are essential to the in- 

 telligent study of prenatal culture. Assuming 

 that some of my readers have not had occasion to 

 acquaint themselves with the current psychology, 

 I shall devote this and the succeeding chapter to 

 the study of man's psychic nature and its relation 

 to the brain. 



"Psychology is the science of mental processes." Prof. 

 James. 



"Psychology is a scientific study of the mind." Prof. 

 Halleck. 



"Psychology is the description and explanation of the 

 states of consciousness as such." Prof. Ladd. 



"That which is in your mind at any moment is a state 

 of consciousness. Psychology is a study of nature, mode 

 of origin and manner of sequence of these states of con- 

 sciousness." Morgan. 



"Psychology has to investigate that which we call inter- 

 nal experiences i. e., our own sensation and feeling, our 

 thought and volition in contradistinction to the objects 

 of external experience, which form the subject matter of 

 the natural sciences. Man himself, not as he appears from 

 without, but as he is in his own immediate experience, is 

 the real problem of psychology." Wundt. 



"Psychology is the science of self (psycho plus logy equals 

 soul plus science). But each self is a type of the race and 



