INDEX. 



393 



Dew, formation of, 78 

 Dewsbury, Leicester, and War- 



rington small-pox, 277 

 Diphtheria and scarlatina in 



London, 250 

 Diseases, theory of substitution 



of, 249 

 Doctors often misstate figures, 



223 



Double stars, motion of, deter- 

 mined by spectroscope, 47 

 Drift, glacial, 122 

 Dust, the importance of, 69 

 meteoric in ocean, 76 

 as causing clouds and rain, 77 

 summary of uses of, 81 

 causes diffused daylight, 81 

 increase of, has affected cli- 

 mate, 84 



E 



Early evolutionists, 135 

 Earth uninhabitable without 

 dust, 79 



the plunder of, 369 

 Eighteenth century, few inven- 

 tions in, 151 



theoretical discoveries in, 153 

 Electric telegraph, 20 

 oceanic. 21 

 lighting, 29 



Elements, Mendeleef's arrange- 

 ment of, 90 



Elliotson, Dr., good phrenologi- 

 cal test by, 170 

 on operations during mes- 

 meric trance, 209 

 Energy, conservation of, 52 

 English small-pox, 1838-1895, 

 253 



teaching of diagram of, 307 

 Erratic blocks, 123 

 Ether and matter, 58 

 European cities, improvement of, 



322 



Evolution, 135 



Experiments adverse to vaccina- 

 tion, 270 



Failures of the nineteenth cen- 

 tury, 159 

 Famine in India, 339 



Farr, Dr., on decrease of infant 

 mortality, 274 

 on improvement of health of 



London, 1771-1810, 321 

 Ferrier, Prof., on localization of 

 functions of the brain, 183 

 his experiments confirm 



phrenology, 186 

 Fevers in London, 250 

 "Final Report" valueless and 

 misleading, 288 

 critical remarks on, 288 

 on advantage of revaccina- 



tion, 291 



hesitating tone of, 293 

 on Army and Navy, 312 

 Fire, the beginning of civiliza- 

 tion, 2 

 probable mode of discovery 



of, 25 

 Fizeau and Foucault, on velocity 



of light, 61 

 Flint implements near Amiens, 



131 



Flint and steel, early use of, 25 

 Food of London in eighteenth 



century, 319 



Forces of the universe offer in- 

 soluble problems, 108 

 Foucault measures velocity of 

 light, 61 

 shows rotation of the earth, 



64 



Fox, Mr. C., on 56 cases of ill- 

 ness or death following vacci- 

 nation, 230 



Free bread to stop starvation, 

 385 



objections to considered. 386 

 how to get funds for, 387 

 Fur-pullers of South London, 353 



G 



Gall, Dr.. discovers phrenology, 

 160 



Gas for lighting, 29 



natural, waste of, 370 



Gases, molecular theory of, 54 

 solidification of, 55 



Gay on state of London in eight- 

 eenth century, 316, 318 



Geology, foundations of, 110 



