INDEX. 



461 



LIPPERSHEY 



145 ; on metamorphosis of plants, 383 ; 

 death and character of, 212 

 Lippershey makes a telescope, 87 

 Lithuanian legend about falling stars, 297 

 Loadstone known to the Greeks, 53 

 Locke on heat, 330 



Lockyer on spectrum analysis of stars, 326 

 Locomotive-engine, date of first, 245 

 Looking-glass, cause of reflection of, 177 

 Lungs, circulation of blood through the, 



112 ; studied by Malpighi, 138 

 Luxembourg Palace, polarized light re- 

 flected from windows of, 310 

 Lyell, Sir C, his history, 405 ; on present 

 causes of geological change, 406-410 ; his 

 influence on geology, 409 ; on Darwin's 

 work, 426 

 Lymphatics discovered by Rudbeck, 115 



MAC ENERY on flint implements of 

 Kent's Hole, 416 



Magdeburg hemispheres, 122 



Magellan's ship sails round the world, 57 



Magellanic clouds, 295 



• Magia Naturalis ' published, 74 



Magic lantern invented, 76 



Magnet, origin of name, 53 ; producing 

 electric current, 350 ; and electric wires, 

 mutual rotation of, 349 ; diagram of, 

 350 



Magnetic currents caused by electric cur- 

 rents, 346 ; direction of, 345 ; affected by 

 sun-spots, 355 ; needle, variations of the, 

 57 ; affected by electric current, 343, • 

 345 : Ampere on direction of, 345 ; sudden 

 movement of at Kew, 355 ; periodical 

 shifting of the, 355 ; of electric telegraph, 



359 

 Magnetism, Gilbert on, 77 ; electro-, 341- 

 352; terrestrial affected by sun-spots, 



353 



Magnifying glasses explained, 49 



Mafpighi applies the microscope to living 

 structures, 137 ; history of, 138 ; on air- 

 cells, 138 : discovers Malpighian layer, 

 139 ; on silkworm, 139 ; on structure of 

 plants, 140 ; on growth of germs and 

 seeds, 141 



Mains on polarization of light, 309 



Man, antiquity of, 415 ; selection of animals 

 by, 428 



Map made by Anaximander, 10 ; geologi- 

 cal, made by W. Smith, 224 



Marcus Gra:cus, gunpowder made by, 43 



Mariner's compass, 53 



Ararquis of Worcester's engine, 246 



Marriotte's law, 130 



Mars, atmosphere of, 327 ; movements of 



explained by Kepler, 97 ; occultation of 



observed by Aristotle, i6 

 Maskclyne measures the density of the 



earth, 277 

 Maury on division of Biela's comet, 292 

 Mayer, Dr., on mechanical equivalent of 



heat, 335 

 Mayow a conscientious observer, 131 ; he 



discovers 'fire-air,' 132 ; his experiments 



on combustion and respiration, 132 ; his 



early death prevented his theory being 



known, 135 

 ' Me'canique Ce'leste ' of Laplace, 271 

 Mechanical equivalent of heat, 336 

 Mechanics, definition of, 2 

 Medical school of Leyden, 190 

 Medicine, Hippocrates the father of, 14 ; 



Galen on, 34 

 Melloni on passage of heat ra>s, 340 

 Men of science, lists of, 6, 38, 62, 86 



188 

 Mercurial thermometer, how made, 120 

 Mercuric oxide, Priestley obtains oxygen 



from, 233 

 Mercury obtained from cinnabar by Geber, 



44 ; sustained in a tube by weight of air, 



118; combining with oxj'gen, 373 

 Mercury, transits of obser\ed, 157-158 

 Metals, Geber notices increased weight of 



heated, 44 ; electric discharge from two, 



261 ; discovered by spectrum analysis, 



322 

 Metamorphosis of plants, 381 

 Meteors and their paths, 297-300 ; their 



compo/ition, 297 ; spectrum analysis of, 



328 

 Microscope applied to living structures, 



137 ; definition of, 137 

 Middle ages, science of the, 39-59 

 Milky Way studied by Democritus, 15 ; 



by Galileo, 90 

 Miller, Dr., on spectrum analysis of the 



stars, 326 

 Mineral waters analysed by Bergmann, 



229 

 Mineralogy, Gesner on, 70 ; Werner's 



lectures on, 217 

 MoUusca, term explained, 396 

 Monocotyledons, temi explained, 145 

 Monro cited, 38c 

 Mont Blanc, erratic blocks carried from, 



4»3 

 Moon, Anaxagoras on the, 13 ; phases of 



