506 INDEX. 



Chrome, oxide of, its preparation as a pigment, 235 



Clement-Desormes, (M.) on vapour, 472 



Cobwebs, (Artificial) for micrometers, notice of, 81 



Coinage, on the manufacture of dies for, 116 



Cold, effects of, 242 



Collard, (M.) on the deleterious effects of carbonic acid gas, 238 



Construction of warm-baths, hints respecting the, 62 



Copper, (white) composition of, 483 



Cultivation and improvement of edible fruits, remarks on, 265 



Daniell, (Mr. F.) on the gas obtained by the decomposition of 

 resin, 217 



Decomposition of certain gaseous compounds of carbon and hy- 

 drogen during sudden expansion, 204 



Defranc, (M.) his remarks on dense fogs, 241 



Dense fogs, notice of, 241 



Density of vapours and gases, table of, 233 



Despretz, (M.) his claim to the discovery of chloride of boron, 243 



Diamond microscope, 211 



Diamond, uses of, in the arts, 464 



Dichroite, new optical property of, 468 



Dies for medals and coinage, remarks on the manufacture of, 116 



Dipping needle, remarks on the change of inclination of, 124 



Disinfectants, chemical remarks on, 371 



Disinfecting chlorides, their modes of action, 237 



Dumas, (M.) on earthy depositions from water influenced by the 

 electricity of metals in contact, 230 



his table of the density of vapours and gases, 233 — 



on chloride of boron, 234 



Elastic mould for castings, notice of, 225 



Electric discharges, transference of ponderable matter in, 472 



Electro-chemical appearances, remarks on, 229 



Elementary principles of the structure of language, illustrations of, 

 163 



Europe, an account of the arcs perpendicular to the meridian, 

 which are now measuring on the continent of, 177 



Exercises, on the effect of, on the form, and their influence in pre- 

 venting or curing distortions of the spine, 319 



Falling stars, results of observations on, 222 



Faraday's (M.) general account of the magnetic phenomena de- 

 veloped by metals in motion, 209 — his account of the chemical 

 action of chlorine and its compounds, 461 — on the progress and 

 present state of the Thames tunnel, 466 



Fatty bodies, distillation of, 489 



Fay, (Mr.) remarks on his mode of excising teeth, 244 



Fire in theatres, security from, 468 



