ANALYTICAL INDEX. 



supposed secrets of God, 455 ; on the opinions of the ancients, 

 459, 480 ; on the power of knowledge, 488 ; on the ignorance 

 of physicians, 496 ; on medicine, 506 ; on the radical errors 

 of science, 560 ; on the effect of heat upon the heart of a dead 

 man, 615 ; on the knowledge of things through their causes, 

 689 ; on temperaments, 990; on the powers of nature, 1065. 



BAGLIVI, on the nervous fluid, 584. 



BALBI, on the population of central Asia, 697; on the revenues 

 of different nations, 699. 



BARCLAY, Captain, his great pedestrian feat, 881. 



BAROMETER, its height in different latitudes, 19 ; successfully 

 investigated by Dalton, 348 ; cause of its variations, 349 ; 

 fluctuations of augment from the equator to the poles, 349 ; 

 observations on by Dalton, 352 ; theory of its depressions by 

 Mr. Daniell, 352 ; greatest during winter, 353 ; diurnal varia- 

 tions of, 354. 



BARRINGTON, Danes, on the freshness of sea water when frozen, 

 232. 



BATHING, warm and cold, experiments on, 846, 847 ; great im- 

 portance of, 848 ; why the cold bath is invigorating, and the 

 reverse, 850, 852. 



BAXTER, Dr. on the cause of cohesion and planetary motion, 166, 

 505 ; on the First Cause, 859, note. 



BEALE, Mr. on the sperm whale, 597. 



BEAUMONT, Dr. his experiments on digestion, 511, 628. 



BECCARIA, on the cause of evaporation, 305. 



BECK, Dr. Lewis, his account of a tornado, 344. 



BECQUEREL, M. on the temperature of plants, 872 ; on the caloric 

 evolved during muscular contraction, 879. 



BEDDOES, Dr. his experiments on the respirable properties of 

 oxygen, 863. 



BELL, Sir Charles, refers all vital power to nervous influence, 

 594 ; on sensitive and motory nerves, 609. 



BERGMAN, on combining proportions, 46 ; on the aurora borealis, 

 366. 



BERKLEY, Bishop, his celebrated theory refuted by a happy jeu 

 d'esprit, 8, note', resolves every thing into spirit, 172 ; vindi- 

 cates the ancients from the charge of atheism, 483. 



BERTHOLLET, his experiments on heat, 11. 



BERZELIUS, his atomic symbols, 49; his mode of ascertaining 

 atomic equivalents, 58 ; his theory of volumes and atomic 

 weights, 69 ; on the atomic weights of hydrogen and nitrogen, 

 70 ; on the electrical polarity of atoms, 166 ; on chemical 

 affinity, 221 ; on the vital principle, 624. 



BICHAT, Xavier, his definition of life, and limited views, 503, 

 507 ; injects oxygen into the jugular veins of the dog, 550 ; 



