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 tiie 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 Francois, 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 



