38 



GENERAL INDEX TO THE ELEVEN VOLUMES OF 



Potash, bi-iodate and tri-iodate of, viii. 

 229. 



, chromate of, detection of adulte- 

 ration in, vii. 61. 



, chromate of, and sulphate of zinc, 



Dr. Thomson on the decomposition 

 of, iii. 81. 



, ferrocyanate, red, of, v. 148. 



, manganesate of, ii. 393. 



, prussiate of, combination of chlo- 

 rine with, iv. 385. 



, prussiate of, triple, i. 110. 



, salts of in brine springs and in 



rock salt, Mr. Brayley on, v. 411. 



, sulphate of, peculiar, ii. 429. 



Potassium, bromide of, vi. 144, 152. 



— — , iodide of, its combination with bi- 

 cyanide of mercury, ix. 401. 



, sulphocyanuret of, in saliva, ii. 



315. 



Potter (R. Jun.) on the reflection of light 

 from plain metallic specula, viii. 60. 



Powell (Rev. B.), observations on the 

 solar eclipse of Nov. 29, 1826, i. 28. 



on experiments relative to the in- 

 terferences of light, xi. 1 . 



, remarks on a passage in " Outlines 



of the Sciences of Heat and Electri- 

 city", viii. 329. 



Poisons, Dr. Christison's Treatise on, re- 

 view of, viii. 276. 



Pressure, the force of, Mr. Bevan on 

 measuring, vi. 284. 



"Price (Dr.) and his followers," ii. 292, 

 332. 



Prideaux (J.) on chloride of barium and 

 nitrate of lead, vii. 276. 



■ on the atomic weights of oxalic acid 



and mercury, vi. 166. 



, new scale of equivalents, viii. 420. 



, table of the atomic weights of sim- 

 ple bodies, viii. 161, 423. 



Priestley (Dr.), Dr. Henry on his phi- 

 losophical character, xi. 207. 



Pritchard (Mr.) application of cast iron 

 in constructing bridges, xi. 81. 



Problems in analytical geometry, J. W. 

 Lubbock on some, x. 81. 



Prism, experiments on light and shadow 

 by the, vii. 65. 



Protoferrocyanate of iron, i. 72. 



Protoxide of manganese, iv. 27. 



Prout (Dr.) on simple alimentary sub- 

 stances, iii. 31, 98. 



. Tiedemann's and Gmelin's reply 



to, on the presence of free acids in 

 the stomach, iv.3 ; remarks on, iv. 120. 



Prussiate of potash, combination of chlo- 

 rine with, iv. 385. 



, triple, i. 110. 



Psilomelane, analysis of, iv. 102. 

 Pterodactyle, new, v. 387. 

 Pumping-engine in Mexico, i. 241. 

 Pyrmont heavy spar, i. 73. 

 Pyrogallic and gallic acid, Mons. H. 



Braconnot on, x. 154. 

 Pyrolusite, analysis of, iv. 100. 

 Pyrometer, new, vi. 312; x. 191. 

 Pyrophorus, iv. 231. 

 Pyrophyllite, new mineral, vii. 232. 

 Quadratic equations, adfected, method 



of solving, iv. 125. 

 Quails, genus analogous to, in America, 



(Orfyx,) ix. 54. 

 Quantities, negative and imaginary, ix. 



37. 

 Quarantine, Dr. Henry on the disinfect- 

 ing powers of increased temperatures, 

 with a view to the suggestion of a sub- 

 stitute for, x. 363. 

 Quartz, doubly refracted rays of, ix. 382* 



, remarkable crystals of, Mr. W. 



Phillips on, ii. 122. 

 Quina, sulphate of, Mr. R. Phillips on 

 ascertaining its purity, iii. 111. 



and cinchonia, gallates of, iv. 147, 



R. J. M. on prize chronometers at 



Greenwich, vii. 134. 

 Radiant heat, viii. 329 

 Radiolite, analysis of, iv. 459. 

 Rain, red, iii. 463. 



Rainbow, new classification of the co- 

 lours of the, v. 152. 

 Rainbows, lunar, ix. 397. 

 Rain-gauge, Mr. Bevan on, ii. 74. 



, Mr. J. Taylor on, ii. 406. 



, Mr. Bevan 's remarks on Mr. J. 



Taylor's, iii. 29. 

 Ramus (Peter), dichotomous method in- 

 sisted on by, vii. 435. 

 Ray (John), commemoration of the se- 

 cond centenary of the birthday of, 

 iv. 379 ; v. 140. 

 Reade (Dr.) on light and shadow, v. 



109 ; vii. 65. 

 Reflection of light by metals, viii. 60. 

 Refraction, terrestrial, ix. 139. 

 Refraction, double, in the molecules of 



bodies, vii. 356 

 Register-pyrometer, Daniell's, x. 191, 



268, 297, 350. 

 Reid (Dr. D. B.), Mr. R. Phillips in re- 

 ply to, xi. 420. 

 Reid (J.) on writing-ink, ii. 111. 



