h^ 



INDEX. 



of his classification of the functions, 147. The nature of sen- 

 sation defined, 152. Unreflected sensation, what, 153. Sen- 

 sation the function of the nerves, 155. Refutation of Dr. Dar- 

 win's hypothesis, ib. The nature of physical influence con- 

 sidered, and what it has in producing sensation, 152. Ef- 

 fects of vital influence in the production of, considered, 159 



Park's (Dr. T. R.) inquiry into the varieties of sensation, ii. 1. 

 nature of, ib. Defects in the theories of Drs. Hartley, Reid, 

 and Darwin, 2. Physical changes on the external organs of, 3 ; 

 and on the internal organs, 5. On the organs of taste and 

 smell, 6. On the sense of touch, 7. The rete mucosum the 

 seat of, 9. Proof that the sensation awakened in any organ 

 depends upon the peculiarity of that organ, 12. The use and 

 end of the different varieties of, 17. Simple practical dis- 

 tension the cause of the actions of involuntary organs, 22 



' inquiry into the varieties of muscular motion, iii. 296. 



Retrospect of the former paper, 297. Structure of the volun- 

 tary organs, 298. The extent and rapidity of their evolutions 

 accounted for, 299. Great powers of contraction possessed by 

 the muscles at the back of the neck, 300. Proof that it exists 

 both in a morbid and in a healthy state, 301. Ordinary effects 

 of the involuntary muscles, 303. Action of the muscles of 

 respiration considered, 304 ; and of the digestive organs, 305, 

 Nature of the organs of circulation,308 



on the influence of corporeal impressions in producing 



change of function in the living body, iv. 13. Influence of 

 painful impressions, 16. Of grateful, 20 ; and of organic 

 sympathy, 21. Mental impressions, 207. Of grief con- 

 sidered, 209. Of joy, 214. Of fear, 217. Of anger, 220. 

 Of love, 222. Of mental sympathy, 223 



on the periodical suspension and renewal of the human 



body, vi. 1. On the cause of hunger, ib. On that of thirst, 13 



«p— observations of on the cause of sleep, vii. 238. On 

 dreaming, 255. On incubus, 257. On somnambulism, 258 



Park (Mungo) probably lost his life by shipwreck, xiv. 6 



Parker's portable static lamp, notice of, xv, 143 



