INDEX. 141 



The connexion between tlie vital properties and the state of 

 circulation, examined and illustrated, 24>l 

 Muscular motion, inquiry into the varieties of, iii. 296. Structure 

 of the voluntary organs, 29S. The extent and variety 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, 302. 

 Ordinary effects of involuntary muscles, 303. Action of the 

 muscles of respiration explained, 304 ; and of the organs of 

 digestion, 305. Nature of the action of the organs of circula- 

 tion, 308 

 Museiim,{The) a literary journal, bibliographical notice of, xiii. 304 

 Mushrooms, formation and fructification of, vi. 222 

 Musical instrument (new), notice of, ix. 174. xi. 384. 

 Musket-balls, change of, in shrapnell shells, xvi. 163. 



Nails, experiments on the adhesion of, when driven into different 



kinds of wood, xvii. 3G0 

 Napier (Mr.), remarks upon the influence of Lord Bacon's 



philosophical writings, v. 173 

 Naples, notice of a cabinet of ancient glass at, xii. 430 

 Naphtha of Amiano, observations on the nature of, iii. 411 



(native), properties of, ix. 408 



lamps, notice of, xix. 328 



Narcotic poisons, on the classification and treatment of, iii. 52 



and of acrid poisons, 53 

 Natural History, Society, of Switzerland, notice of, iii. 194 

 • miscellaneous intelligence concerning, vi. 102. 



viii. 173,349. ix. 193,411. x. 191,465. xi. 216,404. 



xii. 187, 422. xiii. 230. xiv. 235, 446. xv. 165, 3S5. xvi. 



177, 388. xvii. 175, 392. xviii. 185, 404. xix. 166, 360 

 Nature, nothing light in, xi. 81 

 Nausea, sense of, how produced, ii. 12 

 Nautical instrument, improved, notice of, vi. 135 



