3 68 



INDEX OF SUBJECTS. 



HEAT, Lavoisier's views con- 

 cerning, 26 etc. 

 Heats of formation, 324 



of neutralisation, 338, 339 

 Heliotropine, 355 

 Helium, 344, 346 

 Heterologous series, 217 

 Homologous compounds, 216 



compounds, regular differences 



in boiling-points, 216 

 series, 216 



Homologues of marsh gas, 203 

 Hydracids, 82 

 Hydrazine, 348, 349 

 Hydrazoic acid, 348 

 Hydrobenzamide, 147, 148 

 Hydrochloric acid, discovery, 11 



acid, dissociation, 302 

 Hydrocyanic acid, n, 78, 124, 147, 



255, 292 



Hydrofluoric acid, discovery, 1 1 

 Hydrogen, n, 12 



acids (or hydracids), 82, 119, 



158, 161 



identity with phlogiston, 12 

 presence in metals suspected, 



76 etc. 



Hydropthalic acids, 352 

 Hydroquinone, 278 

 Hydroxylamine, 348, 349 

 Hypochlorous anhyride, 195 

 Hypothesis of Avogadro, 61 etc., 

 103, etc., no, 133, 192, 195, 



2OI, 211, 299 



of Prout, 102, 311 



IMIDES, 195 

 Increase of weight during com- 

 bustion, 7, 21, 24 

 Indigo, 290, 296, 355 

 Indium, atomic weight, 313 



discovery, 318 

 Indol, 286, 287, 295 

 Inflammable air, 12 

 Internal condensation, 294 etc. 



oxidation, 296 

 Iodine, discovery, 81 



vapour density, 300, 343 

 lodo-, iodoso-, and iodonium com- 

 pounds, 355 

 lonisation, 337 etc. 

 lonone, 355 



Isatine, 295, 296 



Isethionic acid, 131, 222, 224, 258 



Isobutyric acid, 263 



ether, 264 



Isologous series, 216 

 Isomers in benzene series, 273 etc. 



in benzene series, Korner's rule, 

 277 



in pyridine series, 284 

 Isomeric amyl alcohols, 263 



propyl alcohols, 262, 263 



triphenyl-phosphine oxides, 309 



valerianic acids, 263 

 Isomerism, 117 etc., 262, 265, 288 



early observations, 117 



in the benzene series, 273 etc. 



physical, 268 



Isomorphism, 95 etc., 106, 140 

 Isonitriles, 270 

 Isophthalic acid, 276 



J 



AHRESBERICHTE, 102 



^ ETONE formula, 354 



Ketones, 236, 295 

 mixed, 209 

 KirchhorFs law, 317 

 Kolbe's reaction, 292 



ACT AM ETHAN, 258 



Lactic acid, 11, 246, 257 



etc., 351 

 acid, discussion regarding its 



constitution, 256 etc. 

 acid, formulse, 256, 257 

 acid, views as to its basicity, 



256,257 



Lactone acids, 295 

 Lactones, 295 

 Lactyl chloride, 258 

 Law of chemical mass action, 315, 



334 

 of Dulong and Petit, 95 etc., 



1 06, 298 



of Oudemans and Landolt, 339 

 of selective absorption, 317 

 of the even number of atoms, 



192, 202 



of thermo-neutrality, 338 

 Leucic acid, 262 



