INDEX. 



395 



Lamps, 27 



Lamarck's theory of evolution, 



136 



Lancet on vaccination disasters, 

 292 



the, on revaccination, 312 

 Land, the re-occupation of, 383 

 Lee, Dr., on clairvoyance, 204 

 Leicester affords a test experi- 

 ment, 271 



vaccination and infant mor- 

 tality in, 272 



Leicester, how dealt with by 

 Commissioners, 278 

 compared with Army and 



Navy, 285 

 Leprosy, and plague in England, 



249 



Letters carried on horseback, 18 

 speed of conveyance station- 

 ary till railroads, 18 

 Leverrier discovers Neptune, 95 

 Leucocytes, function of, 145 

 Light, measure of velocity of, 



60 



Lighting, new modes of, 30 

 Linen trade unhealthy, 355 

 Lippnmn's color-photography, 35 

 Local Government Board's mis- 

 statements as to the steamship 

 Preussen,, 302 

 Locomotion, three new modes 



of in nineteenth century, 10 

 London small-pox, 244 



small-pox mortality dis- 

 cussed, 245 



zymotic diseases in, 247 

 growth from 1845, 251 

 main drainage of 1865, 251 

 sanitary advance from 1800, 



252 

 small-pox, teaching of the 



diagram of, 306 

 zymotics, teaching of dia- 

 gram of, 308 

 sanitary improvement of, 



1780-1820, 316 

 effect of great fire on health 



of, 317 



mode of life in, 317 

 improvement in streets of at 

 end of eighteenth century, 

 319 



London, scattering of population 

 after 1800, 320 

 effect of potatoes and tea on 



health of, 321 

 sanitary improvement from 



1770 to 1810. 322 

 Lower races, our dealings with, 



378 



Lunacy Act of 1890, very bad, 

 329, 331 



laws, evils of, 328 

 Lyell, Sir Charles, at first op- 

 posed evolution, 141 

 Lyell's Principles of Geology, 

 112 



objections to, 113 

 Lymph, erroneous use of the 

 term, 313 



M 



Macaulay on filth of London in 



eighteenth century, 317 

 MacCabe, Dr., on vaccination in 

 Ireland, 258 



on the unvaccinated in tene- 

 ment-houses, 290 

 Maclean, Dr., 545 cases of small- 

 pox after vaccination, 97 of 

 them fatal, 221 

 Mail-coaches first used, 18 

 Mallet, Mrs., on dangerous 



trades, 355 



Man, antiquity of, 130 

 pre-glacial, 132 

 older than other species of 



animals, 133 

 Mariner's compass, discovery of, 



152 



Mars, discovery of satellites of, 

 95 



discovery of canals in, 96 

 Match -factories often deadly, 356 

 Matches, friction, discovery of, 



26 

 Mathematicians witty or poetical, 



176 



Matter, states of. 55 

 Mayo, Dr., on painless operations 



under mesmerism, 208 

 Measles, the Commissioners on, 

 248 



in London, 250 



