INDEX TO VOL. VI. 



Achromatic telescopes, on 



Mr. Hall's discovery of, 233. 



Acids: — rosacic, inhumaniirine,147 ; 

 oxalic, the atomic weight of, 1 66 ; 

 aspartic,236; pectic,237; muriatic 

 and sulphuric acid, action of, upon 

 hydrocyanic acid, 315; sulphuric 

 acid and alcohol, mutual action 

 of, 342; phosphoric, 395. 



jEther, on the process by which it is 

 formed, 342; action of, on sul- 

 phate of indigo, 393. 



Albumen, new principle from, 316. 



Alcohol and sulphuric acid, mutual 

 action of, 342. 



Ammonia, on the crystals of bicarbo- 

 nate of, 40 ; chloride and iodide 

 of, 147 ; decomposition of, by me- 

 tals, 147. 



Ammonites in calcedony from 

 Haytor, SIS. 



Analyses: — of platina ores, 146; of 

 Bath water and of mineral springs 

 in Windsor Forest, 148; of the 

 juice of carrots, 237; of arseniate 

 of iron, 314 ; of bones, 393. 



Andrews (T.) on the action of a 

 flame of the blowpipe on other 

 flames, 366. 



Arseniate of iron, analysis of, 314. 



Aspartic acid and aspartates, 236. 



Astronomical Society, 66. 



Astronomy:— Prof.EnckeonHadley's 

 Sextant, 84, 181 ; queries respect- 

 ing Mr. Hall's discovery of achro- 

 matic telescopes, 233 : Bessel's 

 tables for calculating the places 

 of the fixed stars, 267; his calcula- 

 tions for predicting occultations 

 of stars by the moon, 336, 410; 

 historical eloge of the Marquis de 

 Laplace, 370. 



Bachc (Dr.) on the analysis of gase- 

 ous mixtures, 1 SO. 



Bakcrian Lecture, by Dr. Wollas- 

 ton, 1. 



Barium, on chloride of, 53 ; bromide 

 of, 143. 



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



Bath water, analysis of, 148. 



Beche, (H. T. De la) on the secon- 

 dary stratified rocks, 213; on the 

 excavation of valleys, 241 ; classi- 

 fication of European rocks, 440. 



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

 135. 



Berzelius's analysis of platina ores, 

 146; on thorite, and thorina, 

 392. 



Bessel's (Prof.) tables for calculating 

 the places of fixed st-ars, 267 ; cal- 

 culations for predicting occulta- 

 tions of stars by the moon, 336, 

 410; on Mr. Hassler's plans, &c. 

 for a survey of the coast of tho 

 United States, 401. 



Bevan (B.) on measuring the force 

 of pressure, 284; on the mo- 

 dulus of torsion, 419. 



Bicarbonate of ammonia, on the cry- 

 stal of, 40. 



Bicheno (J. E.), letter to, by W. S. 

 MacLeay, on Systems and Me- 

 thods in natural history, 199. 



Birds: — on the respiration of, 51 ; 

 winter birds of passage, arrival of, 

 during 1828-29, 110; summer 

 birds of passage, arrival of, during 

 1829, 276 ; on the organs of voice 

 in birds, 136. 



Blackburn (Rev. J.) on a parabolic 

 sounding board, 21. 



Blowpipe, action of a flame of the, 

 on, other flames, 366. 



Bones, fossil. Rev. W. V. Vernon on 

 a discovery of, near North Cliff", 

 225; analysis of bones, 393. 



Books, new, 47, 133, 237, 305. 



Booth's (W. B.) meteorological re- 

 sults for 1827, 156. 



Botanic Garden sof England, — Prof. 

 Schultes on the Cambridge, 357; 

 Oxford, 358; Kew, 365; Horti- 

 cultural, 428; Chelsea, 430. 



Botany : — Description of Epiphyl- 

 lum, 107; fossil plants which cha- 

 racterize the secondary and ter- 

 tiary formations, 133; new ac- 

 count of Kaianchcie, 301; on the 

 cultivation of Botany in England, 

 .•^51, 428. 



