SECTIONS. INDEX OF AUTHORS. 



193 



Tristram (Rev. H. B.) on the geological 

 system of the central Sahara of Algeria, 

 1860, I02. 



Trollope (Rev. E.) on the fens and sub- 

 marine forests of Lincolnshire and other 

 locaHties, 1858, 113. 



Troyon (M.) on the lacustrine homes of the 

 ancient Swiss, 1858, 1 54. 



*Tryfe (Dr.) on preparations obtained from 

 the decomposition of Cannel coal and the 

 Torbane Hill coal, 1855, 99. 



TuRNBULL (Dr. J.) on the physiological 

 properties of some of the compounds of 

 the organic radicals — methyle, ethylo, and 

 amyle, 1854, 76. 



Turner (J, A.) on a new species of Golia- 

 thus and some Lucani from the coast of 

 Africa, 1838, 113. 



^Turner (Mr.), notice of fossil fish from 

 Antigua, 1845, 56. 



Turner (Dr. E.) on atomic weights, 1831- 

 32, 576 ; 1833, 399. 



TuTSCHBK (Dr. L.) on the researches of the 

 late C. Tutschek into the G-alla, Tumali, 

 and other African languages, 1847, 126. 



on a vocabulary of the Fazoglo lan- 

 guage, 1847, 126. 



on the Tumali language, 1848, 100. 



on the Fazoglo language, 1848, 100. 



TwAMLEY (C.) on a singular fault in the 

 southern termination of the Warwickshire 

 coal-field, 1853, 62. 



Tweedy (Mr.), notice of nearly pure bis- 

 muth found in a mine near Truro, 1841, 

 52. 



Twining (H. R.) on teaching perspective by 

 models, 1849, 33. 



on some of the appearances which are 



peculiar to sunbeams, 1851, 35. 



-— — on an instrument for drawing, 1852, 



* on some peculiarities of granite in 



certain points of the Pyrenees, 1852, 62. 



on a method of teaching perspective, 



1856, 9. 



on the angular measurement of the 



picture in painting, 1859, 64. 



Twining (Miss) on the comparison of the 

 flora of Britain with that of other coun- 

 tries, 1847, 87. 



Twining (Dr. W.) on cretinism, 1845, 79. 



on the Nekrasowzers of Bessarabia, 



1846, 115. 



■ ^ on the Buriats and Tungusians, 1847, 



127. 



* on the Aleutian islanders, 1847, 127. 



**^Tyndall (Prof. J.) on the magneto -optical 



properties of crystals, 1850, 23. 

 on diamagnetism and magnecrystallic 



action, 1851, 15. 

 , experiment in thermo-electricity with 



the monothermic pile invented by Prof. 



Magnus of Berlin, 1851, 18. 

 on air-bubbles formed in water, 1851. 



26. 

 — ■ — on molecular action, 1852, 20. 



Tyndall (Prof. J.) on Ppisson's theoretic 

 anticipation of magnecrystallic action, 

 1852, 20. 



on the diamagnetic force, 1854, 14. 



on some peculiarities of the magnetic 



field, 1854, 16. 



on the demonstration of the polarity 



of diamagnetic bodies, 1855, 22. 



on an ascent of Mont Blanc, 1858, 39. 



on the establishment of thermometric 



stations on Mont Blanc, 1859, 56. 



Ulrich (J. Gr.) on improvements in chrono- 

 meters, and on applying very fine wire 

 of gold or platinum for astronomical or 

 other purposes, 1847, 42. 



Ure (A.) on the operation for squinting, 

 1840, 163. 



Ure (Dr.) on the thermostat, or heat-go- 

 vernor, 1833, 419. 



on photometry, 1839, 7. 



on a new calorimeter, 1839, 20. 



on the fluency or viscidity of liquids, 



at the same and different temperatures, 

 1839, 22. 



, experiments on fermentation, 1839, 



59. 



* on the evaporative calorific powerS of 



fuel, 1839, 132. 



*TJre (J. F.) on the navigation of the 

 Clyde, 1855, 211. 



TJrquhart (Mr.) on the plague in Con- 

 stantinople, 1837, 139. 



Valentine (J.) on illegitimacy in Aberdeen 

 and the other large towns of Scotland, 

 1859, 224. 



• on the statistics, chiefly vital and eco- 

 nomic, of Aberdeen, 1859, 226. 



Vallini (Dr.) on a skeleton of Mastodon 

 angustidens found near Montopoli, 1852, 

 62. 



^Valmerino (Count du) on gas-lighfing, 

 1839, 65. 



Valpy (R.) on the trade and navigation of 

 Norway, 1845, 87. 



on the mines and mining industry of 



Belgium, 1846, 100. 



on the resources of the Irish Sea 



fisheries, 1847, no. 



, progress and direction of British ex- 

 ports, and the influence thereon of free 

 trade and gold, 1854, 145. 



, effect of the war in Russia and Eng- 

 land upon the principal articles of Russian 

 produce, 1855, 195. 



* , review of the operations in the Bank 



of England, 1858, 201. 



on the British trade with India, 1859, 



227. 



Van DALE UR (Mr.), results of a scheme for 

 improving the condition of labourers, 

 tried at Ralahine, co. Clare, Ireland, 

 1847, 98. 



Van der Hoeven (Prof.) on the structure 

 of Nautilus pompilius, 1847, 77. 



