Laudanum, its efficacy in the disease brought on by drinking cold water in hot weather, i. 185 Legs, sore, observations on, i. 411 ----, classes of people most subject to them, i. 412 ----, their remedies, i. 416 Longevity, circumstances which favour it, i. 428 Life, animal, inquiry into its causes, ii. 371 ----, a forced state, or the effects of impressions, ii. 377 ----, enumeration of those impressions, ii. 378 ----, how supported in sleep, ii. 397 ----, in the f[oe]tus in utero, ii. 404 ----, in infancy, ii. 405 ----, in youth, ii. 409 ----, in middle life, ii. 410 ----, in old age, ii. ibid. ----, in persons blind, or deaf and dumb from their birth, ii. 414 ----, in idiots, ii. 416 ----, after long abstinence, ii. 417 ----, in asphyxia, ii. 419 ----, in the Indians of North-America, ii. 427 ----, in the Africans, ii. 428 ----, in the Turkish empire, ii. 429 ----, in China and the East-Indies, ii. 431 ----, in the poor inhabitants of Europe, ii. 432 ----, stimuli which act alike in promoting it upon all nations, ii. 434 ----, how supported in sundry animals, ii. 441 ----, its extinction in death, how effected, ii. 447 M. Midwifery, the practice of it more successful by men than by women, i. 53 Manufactures, sedentary, unfriendly to the health of men, i. 65 Measles, history of, in 1789, ii. 338 ----, their symptoms, ii. 339 ----, a spurious, or external form of them described, ii. 342 ----, remedies used in them, ii. 346 ----, history of them, as they appeared in 1801, iv. 117 Medicine, an inquiry into its comparative state, in Philadelphia, between 1760 and 1766, and 1805, iv. 365 Diet of the inhabitants between 1760 and 1766, iv. 366 Dresses, iv. 368 Customs which had an influence on health, iv. 369 Diseases, iv. 370 N. Nature, meaning of the term, i. 35 ----, the extent of her powers in curing diseases, i. 20 Nosology, objections to it, iii. 33 Negroes subject to the yellow fever in common with the white people, iii. 366 O. Opium, useful in the bilious fever of 1780, i. 130 ----, the disease induced by it cured by blood-letting, iv. 357 Onion juice, useful in destroying worms, i. 231 P.