826 



SECTIONS. INDEX OF SUBJECTS. 



Viaduct over the rirer Boyne at Drogheda, 



J. Barton on the, 1857, 178. 

 Viaducts, timber, B. Green on constructing, 



1838, 150. 

 Vibrations of a cylindrical tube, Eev. J. 



Challis on the, 1835, 12. 

 Vibrio that attacks grasses, J. Hardy on a, 



1850, 124. 

 Victoria regina, notice of Sir R. Schom- 



burgk's discovery of, 1837, 100. 



regia, on the flowering of, in the 



Royal Botanic Garden, Glasgow, by P. 

 Clark, 1855, 102. 



Vidua paradisea, Prof. Strickland on a pe- 

 culiar structure in the submedial pair of 

 rectrices of, 1850, 126. 



Vinca, Prof. E. Forbes on a remarkable 

 monstrosity of a, 1849, 70. 



Vinegar, Dr. C. J. B. Williams on a new 

 process for the expeditious manufacture 

 of, 1834, 590. 



y Virginis, Dr. J. Lee on the results of mea- 

 surements of (for the epoch 1857), by 

 Rear- Admiral Smyth, 1857, 32 ; (for the 

 epoch 1858), 1858, 29. 



Viscera, Mr. Sibson on an apparatus for de- 

 lineating the position and size of the, 

 1845, 85. 



, abdominal, on the valvular apparatus 



connected with the vascular system of the, 

 by Dr. R. M'Donnell, 1857, 1 1 5. 



Vision, on an ocular parallax in, and the 

 law of visible direction, by Sir D. Brew- 

 ster, 1838, 7. 



without retina, on a case of, by Sir D. 



Brewster, 1852, 3. 



-■' ■ , on a peculiarity of, by Rev. Prof. 

 Powell, 1852, 11. 



— — through the foramen centrale of the 

 retina, Sir D. Brewster on, 1858, 7. 



of distance as given by colour, Sir D. 



Brewster on the, 1848, 48. 



, impaired,in which objects appear much 



smaller than natural. Dr. A. Waller on, 

 1848, 82. 



, minute, W. Petrie on the powers of, 



1850, 183. 



— — , Sir D. Brewster on some important 

 points in the theory of, 1838, 14. 



, Sir D. Brewster on Bishop Berkeley's 

 theory of, 1848, 49 ; 1849, 6. 



. binocular, Prof. Wheatstone on, 1838, 



16. 



— , binocular, of surfaces of different co- 

 lours, Sir D. Brewster on the, 1855, 9. 



, binocular. Rev. J. Dingle on, 1858, 14. 



••■ ■■ , binocular, experiments and conclu- 

 sions on, by Prof. W. B. Rogers, 1860, 



Vital and physical forces, G. Newport on 

 the reciprocal relation of the, 1850, 133. 



principle, on its affinity to electricity, 



1847, 91. 



- and electro-magnetic laws, Dr. J. Bul- 

 lar on the identity of certain, 1846, 29. 



Vitality and mind, Dr. R. Fowler on the 



correlation of, with the physical forces, 

 1851, 83. 



Vitrified forts on the mountains of Noth 

 and Dunnideer, Sir A. L. Hay on the, 

 1859, 179. 



Vitriol, oil of. Dr. T. Thomson on the heat 

 evolved when it is mixed with water, 

 1836, 56. 



Vivaria, marine. Dr. G.' Wilson on the arti- 

 ficial preparation of sea-water for, 1854, 77. 



Voice, Dr. Biakiston on the, 1839, 99. 



of the New Holland ostrich. Dr. Mac- 

 artney on the organ of, 1836, 97. 



Volatile fluid, peculiar, W. C. Jones on a, 

 1836, 74. 



Volcanic emanation, on the source of am- 

 monia in, by R. Warington, 1858, 71. 



islets to the south-east of Japan, in- 

 cluding the Bonin islands, A. G. Findlay 

 on, 1856, no. 



phenomena. Dr. Daubeny on the che- 

 mical theory of, 1836, 81. 



phenomena, Dr. S. Macadam on the 



causes of, 1850, ?%. 



pr ducts, stratified and imstratified, 



near Plymouth,- Rev. D. Williams on the, 

 1841, 6r. 



products of the West of England, stra- 

 tified and unstratified, Rev. D. Williams 

 on the, 1842, 54. 



Volcano of Klioutchi, North Asia, A. Erman 

 on the, 1842, 46. 



(the Kotlugja) in Iceland, W. L. Lind- 

 say on an eruption of, 1860, 86. 



Volcanos, Dr. Daubeny on new facts bear- 

 ing on the chemical theory of, 1846, 45. 



, chemical theory of. Dr. Daubeny's 



reply to an objection of Mr. Hopkins to 

 the, 1848, 67. 



, Dr. Daubeny on the elevation -theory 



of, 1860, 75. 



of Central Asia, T. W. Atkinson on 



the, 1858, 75. 



, lunar, T. W, Webb on, 1838, 93. 



Voltaic action, Dr. G. Bird on the crystalli- 

 zation of metals by, 1837, 45. 



action. T. Spencer on the deposition of 



metals by, 1839, 38. 



agencies in metalliferous veins, R. W. 



Fox on, 1836, 81. 



arrangements, various, W. S. Ward on 



the comparative cost of working, 1849, 47, 



battery, A. Crosse's experiments on the, 



1836, 47. 



battery, small, of extraordinary energy, 



W. R. Grove on a, 1839, 36. 



battery, gas, W. R. Grove on the, 1845, 



30. 



battery, J. P. Gassiot on the electricity 



of tension in the, 1846, 47. 



battery of the highest powers in which 



potassium forms the positive element, J. 

 Goodman on a, 1847, 50. 



' battery, Capt. Ward on the applica- 

 tion of the, to the ignition of gunpowder, 

 1864, 18. 



