Index 



327 



PAGE 



Horschel, Sir John - 118,124, 

 156, 166 



Hyposulphite, in photo- 

 graphy - - 173 

 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 



Pepys on - 



Waller on - 



Hooker, Sir J. D 



Hooker, Sir W. J. 

 Hope, J. C. 

 Hopkinson, J. - 

 Hornblower, J. 0. 

 Horrocks, J. 

 Horse -power, first 



term 



Horticultural Society - 

 Howard, Henry (Duke 



Norfolk) 

 Howard, L. 

 Hudson, Dr. 

 Hughes, D. 

 Huggins, Sir W. 

 Humboldt 

 Hume, D. 

 Hunter, J. 



- 108 



- 227 



- 259 



- 247, 255, 



279, 289 



- 246 



- 130, 131 



- 193 



- 105 

 S, 89, 95, 207 

 use of 



of 



104 

 245 



- 210 



- 176 



- 290 



- 190 



- 171 



- 244 



- 65 

 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 - 

 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 



