254 EVOLUTION AND PSYCHOLOGY 



literary psychologists but in the laboratory, 

 which is more and more regarded as a method 

 and microscope of subjective analysis. Even 

 Wundt approached psychology from the stand- 

 point of physics and physiology, and his great 

 text-book would have been but very little differ- 

 ent had Darwin never hved. The doctrine of 

 apperception and even of feeling, with its recent, 

 labored, introspective discussions of peripheral 

 versus central origin and tri-dimensional theories, 

 very rarely considers any developmental aspects ; 

 and this is one reason why, as has lately been so 

 ably pointed out, neither Wundt nor the other 

 standard text-books offer any aid to the student 

 of abnormal psychology or of instinct. 



Meanwhile, our science has had a prodigious 

 and sudden horizontal expansion far beyond the 

 old themes and hmits. We have a psychology 

 of religion, with a more special Uterature on such 

 subjects as conversion, atonement, faith, posses- 

 sion, holy spirit, inspiration, immortahty, proph- 

 ecy, prayer. Sabbath, and even the process of 

 dying, sin, and demonology. Then there is the 

 new psychology of crime, under its special ru- 

 brics, murder, theft, arson, rape, suicide, fraud, 

 and swindling, with traits of the chief classes of 

 criminals. Hypnotism and suggestion, not to 

 mention ghosts and telepathy, have opened an- 

 other field. Then we have the psychology of 

 sex in its normal and morbid manifestations, 

 psychic differences, eugenics, and moral prophy- 



