Index 



327 



PAGE 



Herschel, Sir John - 118,124, 

 156, 166 



Hyposulphite, in photo- 

 graphy - 



Coloured flames - 153 



Optical glass manufac- 

 ture - - 205 

 Herschel, Sir W. 88, 90, 126, 169 

 Discovery of Uranus - 91 

 Finger-prints - - 286 

 Infra-red rays - 93 

 Star drifts - - 93 

 Hicks, H. - - 313 

 Hieroglyphics, Egyptian - 37 

 Hill, E. - - 254 

 Hippocrates - - 216, 297 

 " History of Fishes " - - 259 

 " Historie of Foure -Footed 

 Beastes " and " Historie 

 of Serpents " - 220, 258 

 " History of Insects " - 259 

 Hofmann, A. W. 194, 199, 201 

 Holland, P. - - 217 

 Homfray, D. - - 314 

 Hooke, R. - 17, 55, 77, 259 

 Anchor escapement - 95 

 Mechanical theory of 



heat - - 108 



Pepys on - - - 227 

 Waller on - - 259 



Hooker, Sir J. D - 247, 255, 

 279, 289 



- 246 

 130, 131 



- 193 



- 105 

 88, 89, 95, 207 



Hooker, Sir W. J. 

 Hope, J. C. 

 Hopkinson, J. - 

 Hornblower, J. C. 

 Horrocks, J. 



Horse-power, first use of 



term - - - 104 



Horticultural Society- - 245 



Howard, Henry (Duke of 



Norfolk) - - 210 



Howard, L. - - - 176 



Hudson, Dr. - - 290 



Hughes, D. - 190 



Huggins, Sir W. - 171 



Humboldt - 244 



Hume, D. - 65 



Hunter, J. - 263-5 



PAGE 



Hunter, W. - - 263 



Huntsman, Benjamin - 187 



Hussey, J. T. - - 126 



Hutton, C. - 64, 70, 86, 87 



Hutton, James - 70, 245, 310, 316 

 Huxley, T. H. - 249, 279, 282, 

 291, 301 



on Darwin - - 267, 278 



on Owen - - 265 



Huygens, C. - 9, 17, 51, 95, 



210, 211 



Hydraulic press - 105 



Hydrogen, generated by 



electrolysis - - 107 



Solidified - - 214 



Hydrogenium - 145 



Hysteresis - 193 



Illuminating gas, first used - 105 

 Infra-red rays, Herschel - 93 

 Ingenhouse, Dr. - 81 



Inoculation - - 204, 306 

 Instruments, scientific, con- 

 struction of - 94, 95 

 Interference of light - - 19 

 Integral calculus - 53,117 

 Inverse square, law of, in 

 gravitation - 10, 53 

 In electricity - 69, 81 

 Iodine, discovery of - - 115 

 lonization - 146 

 Ireland, Royal Society of, 



Dublin - 



Irish Academy of Sciences - 211 



Irish universities, botany at 254 



Physical science at - 137 



Irvine ... - 67 



Jack, W. - 

 Jail fever - 

 Janssen - 



- 151 



- 204 



- 171 



