INDEX TO VOL. I. 



NEW SERIES. 



Aberration of light, on the con- 

 stant of, 182 



Adie, Alexander, Esq. his register of the 

 barometer, &c. kept at Canaan Co- 

 tage, 192, 378 



Adie, Mr John, his comparative experi- 

 ments on dew-point instruments, 60 — 



' His new cistern for barometers describ- 

 ed, 338 



Adularia, measurement of the contents 

 of, 368 



Achromatic telescope, Professor Barlow's, 

 described, 328 



Air-pump, on an improved one, 162 



Airy, Professor, his corrections on the 

 new solar tables, 180 



Aldebaran, occultations of, 366 



Alloys, metallic, on their specific gravi- 

 ties and melting points, 296 



Animals, on the generation of, 334 



Arakusiri, a gum of Guiana, describ- 

 ed, 237 



Avalanche, account of an extraordinary 

 one in the White Mountains, 299 



Auvergne, date of volcanic agency in, 186 



Babbage, Charles, Esq. on the propor- 

 tionate number of births of both sexes, 

 85 — His table for mammalia, 187 



Babinet, M., on the colours seen through 

 grooved surfaces, 109 



Bald, Robert, Esq. on spontaneous emis- 

 sions of inflammable gas, 7 1 



Baldwin, Mr, on an avalanche in the 

 White Mountains, 308 



Balsam, Royal, of Guiana, described, 243 



Barlow, Professor, his new achromatic 

 telescope described, 328 



Berwick upon Tweed, Flora of, 356 



Berzelius, M., on Thorite and Thorina, 

 207 



Beudant, M., on the specific gravity of 

 minerals, 368 



Births of both sexes, on the proportionate 

 number of, under different circumstan- 

 ces, 85 



Blowpipe, account of a new gas one, 104 



Boy six years of age, case of extraordi- 

 nary developement in one, 26 



Boy seven years old, his remarkable ta- 

 lent for calculation, 320 



Bones of butcher meat, on their great 

 utility for food, 291 



Bracconnot, M., on indelible ink, 344 



Brewster, Dr, on a new blowpipe with 

 gas, 104 — On a new monochromatic 

 lamp, 108 — On the reflection and de- 

 composition of light at the separating 

 surfaces of media of the same refrac- 

 tive powers, &c. 209 



Brochantite, a nerv mineral, 367 



Brown, Robert, Esq., his additional re* 

 marks on active molecules, 314 



Burning lens, construction of a very large 

 one proposed, 182 



Caloric, on its action in expanding solids 

 and fluids, 17 



Caoutchouc of Guiana described, 242 ' 



Carana, a gum of Guiana, described, 233 



Celestial phenomena, 188, 374 



Chissman, Mr, on the motion of large 

 stones in lakes and ponds, 313 



Clark, Dr J., analysis of his work on 

 chmate, 361 



Climate, on the influence of, in disease, 

 361 



Coddington, Rev. H., his Treatise on 

 Optics analysed, 359 



Cold produced by the dilatation of ah-, 

 367 



Colours, on the law of, as produced by 

 transmission through grooved surfaces, 

 109 — Theory of those produced in 

 Fraunhofer's experiments, 112 — Pe- 

 riodical at the separating surfaces of 

 bodies, 209 



Comet, observations on Encke's, 182 



Corns, method of eradicating them, 360 



Crystals, on the elasticity ot, 141 



Cuvier, Baron, notice of his work on 

 fishes, 158 



Cyanide of mercury, on the atomic con- 

 stitution of, 119 



Cyanogen, on a solid form of, T5 



D'Arcet, M., on the bones from butcher 

 meat, 291 



Davyne, a new mineral, analysis of, 368 



Deluge, thoughts on the, 247 



Dew-point instruments, on comparative 

 experiments with them, 60 



Diamonds, on the art of forming them 

 into lenses, 147 



DucaH, a gum of Guiana, described, 240 



Dugong, on the osteology and dentition 

 of the, 157 



Earthquakes on the Mississippi, describ- 

 ed, 311— in N. S. Wales, 373 



