ANALYTICAL INDEX. 



FORCES of caloric in evaporation, 19; in geology, 21, 22; 

 centrifugal and centripetal, 31 ; referred by Newton to dif- 

 ferent causes, 37 ; owing to the same cause, 40 ; the two, 

 equal and opposite, 44 ; volcanic, how generated, 402. 



FORDYCE, Dr. experiments on himself in heated air, 844. 



FORMS, organic, on the power of producing, 530 ; vary in different 

 climates, 532, 533. 



FOSTER, Dr. on the precursory signs of epidemic cholera, 815. 



FOURIER, Baron, on the original state of the globe, 406; on 

 the mean temperature of the earth, 409 ; and of space, 410. 



Fox, Mr. on the temperature of deep mines, 407. 



FRANKLIN, Dr. on the cause of evaporation, 305 ; on winds, 322, 

 337 ; his theory of the aurora borealis, 365 ; Captain Sir John, 

 on the influence of food in maintaining animal temperature, 

 713 ; on the reanimation of frozen fish, 837. 



GALEN, serious charge preferred against him by Bacon, 486 ; his 



theory of digestion, 625 ; of respiration, 854, note. 

 GALILEO, his discovery of Jupiter's satellites, 33; on falling 



bodies, 42, note ; opens a highway of communication with 



distant worlds, 487 ; his theory refuted by the Holy Office, 



487, note. 



GALL, Dr. great importance of his discoveries, 608. 

 GASES, their contraction and expansion, 63 ; their elastic force, 



112 ; theory of their expansion and contraction, 115 to 123 ; 



mephitic, their mode of operation, 868, 870. 

 GAY-LUSSAC, his theory of volumes, 56 ; on the elastic force of 



gases, 112, note ; on the specific gravity of aqueous vapour, 



351 ; his balloon ascent, 867. 

 GENERATION, spontaneous, examples of, 527 ; general phenomena 



of, 640. 

 GENTIL (and Edwards) their experiments on partial cold bathing, 



849. 



GERMANY, climate and genius of its people, 705. 

 GERARD, Dr. on the fatal effects of breathing the air of very high 



mountains, 866. 



GESNER, on the recovery of breams from a frozen state, 837. 

 GILLY, Dr. on the decomposition of carbonic acid by plants, 



551. 



GOETHE, on the music of the spheres, 482, note ; on the harmo- 

 nious adaptations of nature, 875 ; on the murderous influence 



of drugs, 983. 



GALVANI, on animal electricity, 372. 

 GOOD, Dr. Mason, on the vacuum of Newton, 485, note ; on the 



vital principle, 503 ; on the locomotive power of the ostrich, 



570 ; his imperfect definition of respiration, 643, on animal 



temperature, 844. 



