8 



GENERAL INDEX TO THE ELEVEN VOLUMES OF 



Barometrical measurement of altitudes, 



viii. 250. 

 .. ■ observers, suggestions to, v. 155. 

 registers, formulae for reducing, i. 



15. 

 Barton (J.) on the inflexion of light, 



x. 300. 

 Baryta or strontia, detection of, in union 



Thomson on, 392. 

 , sulphate of, in cannel-coat, viii. 



304. 

 Basalt, magnetic polarity of two rocks 



of, near Niirberg, vii. 174. 

 , on the stratiform, of the North of 



England, xi. 281. 

 Bassano, Mr. Murchison on the tertiary 



and secondary rocks of, v. 401. 

 Basterot's observations on fossil shells, 



ii. 102. 

 Bat, Mr. Gray on the genera of, vi. 28. 



, common, v. 227. 



Batchelor (T.) on a species of Muscce 



volitantes in the aqueous humour of 



the eye, ix. 165. 

 Bath, the oolitic district of, v. 338. 

 — water, analysis of, vi. 148. 

 , on the presence of iodine, &c. in, 



vii. 9. 

 Bath, mode of heating water for a, i. 



104. 

 Bavaria and Austria, on the geology of, 



viii. 64. 

 Beachy Head, Mr. Ivory on a perpen- 

 dicular degree at, iv. 6. 

 Beaufoy's (Lieut.) astronomical obser- 

 vations, i. 46, 219, 290. 

 Beaver, dissection of a, ix. 142. 

 Becquerel (M.) on the electrical for- 

 mation of crystallized sulphurets, vii. 



226 ; Mr. R. Phillips's remarks on, 



vii. 227. 

 Bees, some circumstances relating to, 



iv. 60. 

 Belfast Natural History Society, xi. 143. 

 Bell (Sir C.) on the nerves of the face, 



vi.135. 

 , Mr. Davies Gilbert's address on 



delivering the Royal Society's medal 



to, vii. 43. 

 — — on the human voice, xi. 451. 

 Bennett (Mr.) on new species of Upe- 



neus, ix. 460. 

 Ben-Nevis, geology of, v. 385. 

 Berthierite, a new mineral species, ii. 



460. 

 Berzelius (M.), analysis of platina ores, 



vi. 146. 



Berzelius (M.), observations on amber, 

 iv. 384. ^ . 



on thorina and thorinum, vii. 388. 



on thorite and thorina, vi. 392. 



on Vanadium, 7. 



on vegetable albumen and gela- 

 tine, iv. 69. 



, attack of, on Dr. Thomson, iv. 



450. 



, Dr. Thomson's reply to, v. 217. 



Bessel's (Prof.) additions to the theory 



of eclipses, viii. 268, 342, 417. 

 calculations for predicting occulta- 



tions of stars by the moon, vi. 336, 



410. 

 on Mr. Hasler's plans, &c. for a sur- 

 vey of the coast of the United States, 



vi. 401. 



pendulum experiments, v. 312. 



tables for calculating the places of 



the fixed stars, vi. 267. 

 Bevan (B.) on the ash timber of Earls 



Barton, v. 51. 

 on the draught of carriages upon 



common roads, vii. 286. 

 on the cohesion of cast iron, i. 14. 



notice of an error in Mr. Gal- 



braith's Mathematical Tables, iii. 

 153. 



on the power of horses, viii. 22. 



on measuring the force of pressure, 



vi. 284. 



on register rain gauges, ii. 74. 



on Mr. J. Taylor's rain-gauge, iii. 



29. 

 —— on the relative hardness of road- 

 materials, ix. 164, 317. 



on the adhesion of screws, ii. 291. 



on the modulus of torsion, v. 378 ; 



vi. 419. 

 on Mr. Barlow's experiments on 



wood, xi. 241. 

 Bible geology and zoology, vii. 8, 1 93, 



310,435. 

 Bicarbonate of ammonia, on the crystal 



of, vi. 40. 

 Bigsby (Dr.) on the topography and 



geology of Lake Ontario, v. 181, 2 03, 



339, 424. 

 Bicheno (J. E.) on systems and methods 



in natural history, iii. 213, 265. 

 , letter to, by W. S. MacLeay, on 



that subject, vi. 199. 

 on the use of the English language 



in natural history, iv. 454. 

 on the plant intended by the sham- 

 rock of Ireland, vii. 289. 



