ANALYTICAL INDEX. 



TEMPERAMENTS, views of Hippocrates, 987 ; of Boerhaave and 

 Richerand, 988 ; of Bacon andCullen, 990 ; of Dr. J. Gregory, 

 991 ; of Dr. Thomas, 991 ; of Dr. Caldwell, 922 ; comments 

 on their theories, 992, 998; illustrations of, 998, 1004; 

 origin of, 996 ; division of into dynamic and adynamic, 996 ; 

 rationale of power, 1005, 1006; views of Dr. Prichard, 1009; 

 influenced by climate, 1009; erroneous theory of Menzel, 

 1009, 1010. 



TEMPERATURE, of different animals, 554, 557 ; of Polar Asia, 

 and America, 695; of Tartary, 596; of middle and southern 

 Asia, 597 ; of Europe and the United States, 699, 699 ; of the 

 torrid zone, 700, 702 ; its influence on respiration, 709, 715, 

 832 ; on the character of the human race, 702, 705, 720, 757 ; 

 higher in man in the tropical than in the middle latitudes, 565; 

 higher during summer than in any other season, 568 ; and 

 higher on first awaking in the morning than at any other time 

 of day, 568 ; mean of different years, 811. 



THALES, his doctrine of a first cause, 469. 



THEOLOGIANS, live longer than any other class in Prussia, 778. 



THILORIER solidifies carbonic acid, 143. 



THOMAS, Dr., his new classification of temperaments, 991 ; de- 

 fects of his theory, 993, 996, inclusive. 



THOMSON, Dr. John, his thermotic treatment of inflammation, 

 1094 ; on the specific heat of atoms, 82, 83 ; on the specific 

 gravity of carbon vapour, 57 ; -maintains that all atomic weights 

 are even multiples of the lowest, 53, 58 ; on the absolute 

 weight of the atom of lead, 72 ; on the caloric evolved during 

 the combustion of hydrogen, 76 ; on the constitution of the 

 atmosphere, 116; his reason why some bodies feel warmer 

 than others, 191, note', on atmospheric electricity, 288; his 

 theory of two electric fluids, 425 ; Tornados, theory of, 330, 

 347. 



THORAX, size of, a measure of vital energy in temperate climates, 

 572, and 578. 



TIEDEMANN, on the final cause of vital force, 508 ; refers it to ner- 

 vous influence, 593 ; on the relative size of the brain in men 

 and women, 577 ; found the brain of idiots very small, 598 ; 

 on the cause of the heart's action, 614 ; his electrical theory of 

 secretion, 670. 



TONICS, their mode of operation, 985. 



TORTOISE, brain of extracted by Redi, 599, note. 



TORNADOS, theory of, 330, 347. 



TOWNE, Mr., on incubation, 638, 



TRANCE, theory and treatment of, 961 , 962. 



TREVIRANUS, on the relative quantities of oxygen consumed by 

 different animals, 563 ; smears insects over with varnish, 604. 



