482 



INDEX 



Mayer, discovery of conservation of 

 energy, 416 



Measures of the earth, difference in 

 early, 77 



Mdcanique Celeste, a work by La- 

 place, 297 



Mechanical appliances, the founda- 

 tions of modern knowledge, 331 

 contrivances, attributed to black 

 art, 415 



Mechanics, effect of new discoveries 



in, 241 



placed on a new footing by 

 Galileo, 200 



Mechanism, idea of the world as, 

 first consistently expounded by 

 Descartes, 219 



Medical schools, first in Europe, 



154 

 Mendeleeff, Newtonian scheme of 



molecular constitution, 397 

 Mercury, possibly indicates rate of 



propagation of gravitation, 453 

 transit of, observed by Gassendi, 



221 

 Meredith, George, quotation from, 



444 

 Merz, History of Nineteenth-Century 



Thought, 1 1 

 Metaphysics, its utter barrenness, 



459 

 Meteoric swarms, extra-mundane 



origin of, 432 

 Meteorites, origin of, 434 

 Meteoritic origin of sun's heat, 416 

 swarms, their nature and extent, 



2 75 



Meteors, identity with comets, 275 

 Metrodorus, on plurality of worlds, 



354 



Microbes, conceived as human, 42 

 discovery of, 33 



expulsion of, from the atmos- 

 phere, 437 



Micro-man, idea of, 40 

 Micron, unit of measure, 40 

 Middle Ages, reaction in favour of, 



152 

 Midnight sun, land of, conjectured, 



147 

 Milky Way, Democritus' ideas on, 



135 



ideas on, 386 

 structure of, 394 

 Milton, quotation from Paradise 



Lost, 280 



visits the blind Galileo, 206 

 Mind, decline of the human, 151 



Modern ideas, permanence of, 8 



Moestlin, teaches the Coppernican 



theory, 176 

 the teacher of Kepler, 185 



Molecules, spacing of, 430 



Montaigne, writes on the speech oi 

 the people, 178 



Moon, first measures of distance of, 

 87 



Morin, mounted telescope on a bar, 

 244 



Mosaic cosmogony destroyed by 

 Galileo, 204 



Motes in the sunbeam, suggest idea 

 of atoms, 137 



Motion of the earth, absolute de- 

 monstration by Bradley, 288 

 objections to, 106 



Multiple star systems, 376 



Mystery, the increasing, of creation, 

 39.8 



Mysticism of numbers, Kepler's ad- 

 herence to, 1 86 



NAPOLEON, reproach to Laplace, 



298 

 Nature, religion of, a chimera, 17 



the enigma of, 16 

 Nebulae, Herschel's catalogues of, 



325 



origin of, 424 

 photography of, its revelations, 



420 



rapid motion of, 441 

 worlds in formation in, 30 

 Nebular hypothesis, history of, 401 



nuclei, how formed, 421 

 Necessity, doctrine of, affirmed by 



Democritus, 142 

 Neptune, discovery of, a triumph 



of the law of gravitation, 311 

 distance from the earth, 357 

 its great distance, 28 

 Nero, precedes St. Augustine, 1 5 1 

 New Astronomy, The, quotation from 



Professor Langley's, 463 

 Newcomb, objections to nebular 



hypothesis, 413 

 on cosmic structure, 393 

 on count of the stars, 359 

 on history of nebular hypothesis, 



419 

 on Lambert's cosmical theory, 



388 



problem of runaway stars, 445 

 New Hypothesis of the Universe, 

 a work by Wright of Durham, 

 386 



