INDEX 



ADAMS, JOHN, his determination of 

 the exact location of Neptune, 48 ; 

 corrects Laplace in reference to the 

 moon's acceleration, 51. 



Adams, Professor, his investigation 

 of meteor showers, 59. 



Aerial currents, their classification 

 and the laws governing them, 182- 

 191. 



Aerolites, study of their origin and 

 character, 157-162. 



Agassiz, Jean Louis Rodolphe, his 

 belief in the special-creation hy- 

 pothesis, 105 ; his advocacy and es- 

 tablishment of the glacial theory, 

 134-136; on the reception of sci- 

 entific truth, 153. 



Alibert, Jean Louis, makes known 

 the cause and cure of the itch, 362. 



Alpha Centauri, its comparative dis- 

 tance from the earth, 66. 



Amici, Giovanni Battista, his inven- 

 tion of the reflecting microscope, 

 327, 328. 



Ampere, Andre Marie, establishes the 

 connection of magnetism and elec- 

 tricity, 207 ; confirms the atomic 

 theory of Avogadro, 258 ; discovers 

 the properties of ammonium, 267. 



Anaesthesia, discovery of the method 

 of, 365-375. 



Anatomy, eighteenth - century prog- 

 ress in the science, 36. See Anat- 

 omy and physiology. 



Anatomy and physiology, their prog- 

 ress in the nineteenth century, 

 321-353; Cuvier's classification of 

 the animal kingdom and his " law 

 of co-ordination," 321, 322; Bi- 

 chat's generalization of the animal 



organs, 322, 323 ; and his division 

 of all animal structures into tis- 

 sues, 324 ; improvements in micro- 

 scopes and lenses, and the inven- 

 tion of the compound microscope, 

 324-328 ; rise of histology and its 

 triumphs, 328-336 ; establishment 

 and development of the cell theory, 

 336-346 ; investigations of the proc- 

 esses of digestion and respiration 

 and of the functions of the human 

 organs, 346-353. 



Anthrax, discovery of its cause and 

 remedy, 380, 381, 387-389. 



Anthropology, its far-reaching pos- 

 sibilities and its unsolved prob- 

 lems, 456, 457. 



Anti-cyclone, description of, 190. 



Antisepsis, the theory and practice 

 of, 382-386. 



Antitoxine, its discovery and appli- 

 cation, 390-392. 



Anti-trade-winds, their cause and 

 effects, 178, 185, 186. 



Arago, Dominique Fran9ois, his pio- 

 neer work in celestial photography, 

 76 ; champions Fresnel's undulatory 

 theory of light and the feud which 

 his advocacy engendered, 202-204, 

 225 ; discovers that magnets may be 

 produced by electrical induction, 208. 



Arcturus, its comparative brightness, 

 69. 



Asteroids, their discovery and theo- 

 ries regarding, 44-48. 



Astronomy, its development during 

 the eighteenth century, 5-17; the 

 "nebular hypothesis," its amplifi- 

 cation and completion, 13-17; prog- 

 ress of the science during the 



459 



