118 



SECTIONS. — INDEX OF AUTHORS. 



CiiEVALLiER (ReT. Prof.) on the computa- 

 tion of heights by the barometer, 1838, 38. 



on the height of auroral arches, 1847, 7. 



— — on a graphical method of computing 

 an occultation, 1847, 7. 



— — on a rainbow seen after actual sunset, 

 1849, 16. 



* on a sidereal clock for showing the 



arc of right ascension directly, 1850, 23. 



■■ on an analogy between heat and elec- 

 tricity, 1855, 10. 



on a rainbow seen after simset, 1855, 



38- 



on the tides of Nova Scotia, 1856, 23. 



Cheverton (Mr.) on mechanical scvdpture, 



1835, 112. 

 Childebs (J.W.), comparative temperature 

 table, showing the daily average height 

 of the thermometer at Jersey, Torquay, 

 Hastings, and London, 1848, 16. 

 Childers (Capt. W. W.), meteorological 

 observations made at St. Helier, Jersey, 

 1846, 13. 

 Christie (Prof. S. H.) on a peculiar and 

 well-defined light, in the form of a ray, 

 from the sun, 1834, 566. 



on a singular optical phenomenon 



seen at sunset, 1837, 15- 



on the occurrence of the aurora borealis 



in England during summer, 1837, 28. 



on the preservation of magnetic needles 



and bars from oxidation by the electro- 

 type proce&s, 1841, 41. 

 Clanny (Dr.), a new telegraph, 1837, 131. 



* , a new safety-lamp, 1842, 115. 



Clare (P.) on some extraordinary elec- 

 trical appearances seen in 1850, 1850, 31. 

 Clark (D. K.) on coal-burning without 

 smoke, by the method of steam -inducted 

 air-currents app'ied to the locomotive 

 engines of the Great North of Scotland 

 Railway, 1859, 230. 

 Clark (F.) on the educational statistics of 



Birmingham, 1839, iii. 

 • on the commercial statistics of Bir- 

 mingham, 1839, 114. 

 ' on the medical statistics of Birming- 

 ham, 1839, 115. 

 Clark (J.), notice of the occurrence of 

 Colymbus arcticus near Swansea, 1848, 

 125. 

 Clark (P.) on the flowering of Victoria 

 regia in the Rcyal Botanic Garden, Glas- 

 gow, 1855, IC2. 

 Clark (Dr. T.) on the atomic weights of 



elementary bodies, 1839, 43. 

 . on a mrde of detecting minute por- 

 tions of arsenic, 1840, 83. 

 Clark (Dr.) on the application of the hot 

 blast to the production of cast iron, 1834, 

 578. 

 Clark's (Dr.) process for softening water, 



D. Campbell on, 1855, 54. 

 Clarke (Rev. Mr.), letters from Prof. 

 Bitcheock on foot-impressions in the 

 new red sandstone, 1837, 60. 



*Clarkb (Dr.) on a method of facilitating 



the calculations of gases, 1837, 57. 

 Clarke (Mr,), large electro-magnet, 1840, 



211. 

 *Clarke (Mr.) on the principles on wliich 



the model tubes for the tubular bridges on 



the Holyhead Railway should be increased 



to larger dimensions, 1846, 109. 



* on a new atmospheric tube, 1846, 113. 



Clarke (Dr.) on certain alterations of level 



on the sea-coast of part of the county of 



Waterford, 1857, 65. 

 ♦Clarke (A.) on a mode of correcting the 



errors of the compass in iron ships, 1860, 



28. 

 Clarke (B.) en the foliage and inflorescence 



of the genera Phyllanthus and Xylo- 



phylla, 1846, 91. 

 * on a new system of classifying plants^ 



1853, 63. 

 Clarke (Rev. B. J.) on the Irish species of 



the genus Limax, 1843, 73. 

 Clarke (G.) on the evolution of gas in 



Wallsend Colliery, 1852, 124. 

 Clarke (Dr. J.), abstract of a registry kept 



in the Lying-in Hospital, Dublin, 1834, 



685. 

 Clarke (J.) on the parasitic character of 



Rhinanthus crista-galli, 1848, 84. 

 *Clarke (R.) on prevailing diseases of Sierra 



Leone, 1855, 164, 

 Clarke (Rev. W. B.) on two springs on 



the north side of Hales Bay, Poole Har- 

 bour, 1836, 94. 

 Clarke (Rev. W. D.) on the phenomena of 



the plastic clay formation, near Poole, 



1837, 93. 



Clarke (W. H.) on a fish with four eyes, 



1838, no. 



Clarke and Varley (Messrs.) en the elastic 

 malleable iron tube, as a means of deve- 

 loping the principle of atmospheric pro- 

 pulsion on railways, 1847, 132. 



Claudet (A.) on different properties of the 

 solar radiation in producing or prevent- 

 ing a depcsit of mercvu-y on silver plates 

 coated with iodine or its compounds, 

 with chlorine and bromine, modified by 

 coloured glass media and the vapoiurs of 

 the atmosphere, 1847, 35. 



on the action of the red, orange, and 



yellow rays upon iodized and bromo- 

 iodized silver plates, 1848, 50. 



on the theory of the principal pheno- 

 mena of photography in the Daguerreo- 

 type process, 1849, 35. 



on the dynactinometer, for comparing 



the power of object-glasses, and for mea- 

 suring the intensity of the photogenic 

 light, 1850, 12. 



on the dangers of the mercurial vapours 



in the Daguerreotype process, 1851, 44. 



on the use of a polygon to ascertain the 



intensity of the light at different angles, 

 1851, 45. 



on the stereoscopometer, 1852, 6. 



