INDEX 



KADMUS, a Phoenician, who, ac- 

 cording to a Greek legend, 

 brought the knowledge of 

 letters to Europe, i. 86. 



Kant, Immanuel, his conception 

 of the formation of the world, 

 iii. 26; his theories of the solar 

 system, iii. 27; defects in his 

 conception, iii. 30; and trans- 

 mutation of species, iv. 149. 



Kelvin, Lord, his theory of the 

 developmental changes of the 

 earth, iii. 165; he endorses 

 Joule's theories on the conser- 

 vation of energy, iii. 272; his 

 doctrine of the dissipation of 

 energy, iii. 276; learned noth- 

 ing new concerning the nature 

 of energy in fifty years, iii. 279 ; 

 his speculation about ether, 

 iii. 288; his doctrine of the 

 vortex theories of atoms, iii. 

 290; his estimate of the size of 

 the molecules floating in the 

 air, iii. 298; theories of radio- 

 activity, v. 1 06; explanation 

 of the continued heat of the 

 sun, v. 207; estimate of the 

 heat-giving life of the sun, v. 

 208; computations as to the 

 age of the earth's crust, v. 

 210; computations of the rigid- 

 ity of the telluric structure, v. 



212. 



Kepler, Johann, life and work, 

 ii. 70; theory of planetary 

 distances, ii. 73; assistant of 

 Tycho Brahe, ii. 74; Kepler's 

 Laws, ii. 75; studies of re- 

 fraction of light, ii. 118; 

 Keplerian telescope, ii. 253. 



Khamurabi, Babylonian king, his 

 famous code concerning phy- 

 sicians, i. 76. 



Kirchhoff, with Bunsen, perfect- 

 ed the spectroscope, iv. 69. 



Kitasato, Professor, his studies in 

 the embryos of fishes, v. 132. 



Koch, Dr. Robert, corroboration 

 of Devaine's discovery, iv. 

 228. 



Koch, Professor, work of, in the 



Berlin Institute of Hygiene, v. 



194. 

 Kratzenstein, Christian Gottlieb, 



uses electricity in medical 



practice, ii. 278. 

 Kriiger, Gottlieb, suggests the 



medicinal use of electricity, ii. 



278. 



Krypton, discovery of, v. 87. 

 Kunz, George P., his striking 



illustration of the power of 



radium, v. 101. 



LABORDE, M., his theories of 

 radio-activity, v. 106. 



Laennec, Rene Theophile Hya- 

 cinth, his invention of the 

 stethoscope, iv. 201; his Traite 

 d' Auscultation Mediate, iv. 202. 



Lamarck, Jean Baptiste, a 

 student of fossil shells about 

 Paris while Cuvier was study- 

 ing the vertebrates, iii. 93. 



Laplace, removed the last doubts 

 as to the solidarity of New- 

 tonian hypothesis of uni- 

 versal gravitation, iii. 31; 

 his explanation of the planet- 

 ary system, iii. 32; his con- 

 ception as to the formation of 

 suns and stars, iii. 35; his 

 reasoning about the ring of 

 Saturn, iii. 38; he thinks 

 comets are strangers to our 

 planetary system, ibid.; ex- 

 plains why the movements of 

 comets escape this general 

 law, iii. 39; thought that the 

 rings of Saturn were solid, iii. 

 44- 



Lartet, Edouard, his discovery 

 of fossils in the caves of 

 Dordogne, iii. 104. 



La Tour, Cagniard, discovered 

 pepsin in the gastric juice, iv. 

 129; studies of micro- 

 organism, iv. 218. 



Laudanum, its introduction, ii. 

 190. 



Lavoisier, Antoine Laurent, the 

 founder of modern chemistry, 

 iv. 28-36; first blow to the 



287 



