Chap. XII.] Philosophy of the Human ^flud. 211 



fissociahility ; in their active state they arc termed 

 irritation, sensation, miition, and association *. Up- 

 on these principles Dr. Darwin accounts for all 

 tlie phenomena of mind. Memory, according to 

 this author, embraces a class of ideas arising from 

 volition and association. Imagination includes 

 those ideas which were originally excited by irri- 

 tation, and become, in like manner, more fre- 

 quently causable by sensations of pleasure or pain. 

 Ide^s of Abstraction and oUlcflcction are partial re- 

 petitions of former perceptions, by the repetition of 

 a certain stimulus f. 



^ In 1702 Dr. William Coward, a physician, pub- 

 lished a work entitled Thoughts on the Soul, in 

 •which he maintained that it is material and mor- 

 tal. He was answered by the rev. Thomas Brough- 

 ton and others, and defended himself with great 

 zeal. The house of commons at length interfered 

 in the dispute, and ordered his work to be burned 

 by the hand of the common hangman. In I70G 

 Henry Dodwell, professor of history at Oxford, 

 published a singular work, in which he attempted 

 to prove, from the Scriptures and the early fa- 

 thers, that the soul of man is a principle naturally 

 mortal, but actually immortalised by the pleasure 

 of God, by virtue of its union with the divine 

 baptismal spirit; and that, since the apostles, none 

 have the power of giving this divine immortalising 

 spirit excepting the bishops. This pubhcation oc- 

 casioned a controversy of considerable warmth and 



* See chapter iv, section iii, of this work. 



t Zoonomia^ vol. i, section iii, vi, xiv, xv. See Additional 



notcs'-flfN.) 



P2 



