MIRACLES OF SCIENCE 



Bacteria, as combatted by the vac- 

 cine treatment, 208; the possi- 

 bility o'f their extermination, 

 221 ; distroyed by the ultraviolet 

 ray, 240. 



Bactericides, their development 

 and use, 211. 



Bacteriolysins, their development 

 and use, 211. 



Baker, Mr. T. Thome, invents an 

 instrument for sending pictures 

 by wire and by wireless, 316. 



Ballon, the dirigible, 288; as an 

 instrument of war, 294. 



Bancroft, Mr. F. W., experiments 

 in conjunction with Prof. Loeb 

 to produce mutants by heat, 185. 



Banishing the plagues, Chapter 

 VIII, 222. 



Battleships, equipped with Sperry 

 gyro-compass, 265. 



Becquerel, Henri, discovers ura- 

 nium, the first known radio- 

 active substance, 113. 



Becquerel, Jean, likens electrons 

 to a swarn of gnats, 130. 



Bessemer, Sir Henry, attempted to 

 stabilize a room aboard ship 

 with the gyroscope, 266. 



Beta Lyrae, an interesting double 

 star having 30 times the mass 

 of our sun, 100. 



Beta ray, indentical with the 

 cathode ray, 114. 



Bickel, Prof. A., uses Thorium 

 X in treatment of pernicious 

 anaemia, 236. 



Biffin, Prof. R. R, develops a 

 variety of wheat immune to 

 rust, along Mendelian lines, 198. 



"Black death," or plague, dis- 

 seminated by the rat, 249. 



Blindness, partially restored by a 

 Paris surgeon through trans- 

 plantation of a piece of cornea, 

 168. 



Blood corpuscles, white, aided by 

 opsonins in their battle with dis- 

 ease germs, 215. 



Blood relationship, how traced by 

 Professor Nuttall, 158. 



Blood tests, how the fluids for 

 making the tests are developed, 

 161. 



Bolometer, a heat-measuring in- 

 strument invented by Professor 

 Langley, 107; enables the ob- 

 server to measure the energy 

 beyond the visible spectrum, 108. 



Boss, Professor Lewis, studied a 

 flying group of stars of the 

 Taurus cluster, 55. 



Bouguer, the French commission 

 under him attempted to weigh 

 the earth with a pendulum, 61. 



Boys, Professor C. V., tested the 

 mass of the earth by the Cav- 

 endish method, 64. 



Branley, Prof., showed that a 

 metallic powder can be used to 

 detect electric waves, 308. 



Braun, Prof. Ferdinand, in con- 

 junction with Marconi, receives 

 Nobel prize for work on wire- 

 less telegraph, 305. 



Brennan, Mr. Louis, invents a 

 monorail car stabilized with the 

 gyroscope, 271. 



Brucker, Jos., designs an airship 

 to cross the ocean, 289. 



Burbank, Mr. Luther, his experi- 

 ments in plant breeding, 186; 

 his experiments support the 

 Darwinian doctrine, 190. 



Burke, Mr. John Butler, attempts 

 to generate life in the test tube 

 with radium, 238. 



Burrows, Dr. Montrose T., his 

 experiments in growing living 

 tissues outside the body, in 

 association with Dr. Carrel, 165. 



Campbell^ Professor W. W., tests 

 the radial speed of many stars 

 with the spectrograph, 47; de- 

 termines that old stars move on 

 the average more rapidly than 

 young ones, 48; shows that 

 stars of like age with our sun 



330 



