INDEX. 
391 
N 
Naples, notice of a tour in, 380. , , . . 
Needle, magnetic, account of Mr Barlow and Mr Christie’s experiments 
on the diurnal variation of the, 184. " 
Newfoundland, account of Mr Cormack’s journey across, 156. 
Nolle, Mary, notice of, in her 107th year of her age, 125. 
Nyevelt, Baron, on some New Electro-magnetic Phenomena, 130. 
P 
Oersted, Professor, on a paradoxial galvanic experiment, 205. 
Organic compounds, on the theory of, 191* 
P 
Parhelia seen at the Cape, of a singular and inexplicable kind, S62. 
Patents, list of Scottish, 203. 
Pendulum, account of Captain Hall and Mr Foster’s experiments with 
an invariable one, 91. — account of Sir Thomas Brisbane’s experi- 
ments with one, 181. 
Perkins s steam-ehgin'e, farther information respecting it, 367.— his 
steam-guns, 367. 
Platina, on remarkable properties of the suboxide of, by M. Dobe- 
reiner, 153. 
Plumbago, on its fusion, I93. 
Power, account of a new one, 222. 
Proceedings of the Royal Society of Edinburgh, I68, 353. — of the Wer- 
nerian Society, I70, 355. — of the Cambridge Philosophical Society, 
172, 359- — of the Society of Scottish Antiquaries, 357- 
Pyrophorus, on a new one made of tartrate of lead, 368. 
R 
Refractive power of different kinds of glass, 26. 
Rock formations, Baron Humboldt on, 40, 224. 
Roe, Mr Samuel, on a newly discovered temple in Corfu, 239- 
Rose, M. on felspar, albite, labradorite, and anorthite, I96. 
Royal of Edinburgh, proceedings of, I68, 368. 
S 
Salmon fsheries in the Tay, 374. 
Sea, on the specific gravity and temperature of the, 317. 
Seas, on the atmosphere of, S67. 
Sedgwick, Professor, on the trap-rock and the mountain limestone for- 
mations in High Teesdale, 173. 
Seguin, M. on the effects of heat and motion, 280. 
Siyright, Mr, on the crystallisation of gold from its solution in sulphu- 
ric aether, 193. — on the fusion of plumbago and charcoal, 194. 
Sliding-rule, notice of an improved one, 382. 
Smith, James, Esq. on a vitrified fort, 347- 
Soda Water apparatus, description of Mr Cameron’s new one, 222. 
Sound, experiments on the velocity of, by Mr Goldingham, 182. — ^by 
Dr Gregory, 
Sounds, on the influence of, on the elephant and the lion, 364. 
Spectrum, prismatic, on the intensity of the light in different parts of 
' ^ It, 33, 
