SECTIONS. INDEX OF AUTHORS. 



185 



generated in the deposits formed under 

 their influence, by which the physical 

 geography of the seas at various geolo- 

 gical epochs may be ascertained, 1855, 



97. 

 SoRBY (H. C), description of a working 



model to illustrate the formation of " drift 

 * bedding," 1856, 77. 



on the magnesian limestone having 



been formed by the alteration of an or- 

 dinary calcareous deposit, 1856, 77. 



on the microscopical structure of mica- 

 schist, 1856, 78. 



on sjme facts connected with slaty 



cleavage, 1857, 92. 



. on a new method of determining the 

 temperature and pressure at which various 

 rocks and minerals were formed, 1858, 

 107. 



— — on some peculiarities in the arrange- 

 ment of the minerals in igneous rocks, 



1858, 107. 



on the currents present during the de- 

 position of the carboniferous and Permian 

 strata in South Yorkshire and North 

 Derbyshire, 1858, 108. 



on the origin of " cone-in-cone," 



1859, 124. 



SoRET (Louis) on the correlation of dyna- 

 mic electricity and the other physical 

 forces, 1857, 16. 



South (Sir J.) on the satellites af Jupiter, 

 1831-32, 87. 



SouTHWOOD (Mr.) on Mr. Whewell's ane- 

 mometer, 1837, 33. 



SowERBY (G-. B.) on certain monstrosities 

 of Encrinus moniliformis, 1838, 115. 



on Lycopodium lepidophyllum, 1838, 



119. 



SoYREs (Rev. F. De) on the educational 

 statistics of Sidlesham, 1837, 140. 



*Speke (Captain), discovery of lake Nyanza 

 in Central Africa, 1859, 266. 



* on the commercial resources of Zan- 

 zibar on the east coast of Africa, 1859, 

 266. 



Spence (J.) on the production of sulphu- 

 rous acid gas from the combustion of coal, 

 1854, 75. 



Spence (P.) on Robertson's patent chain 

 propeller, 1859, 243. 



Spencer (T.) on the deposition of metals 

 by voltaic action, 1839, 38. 



exhibited a cylindrical battery of great 



intensity in small space, 1839, 39. 



— — on the supply and purification of 

 water, 1859, 83. 



Spineto (Marquis) on the site of the ancient 

 city of Memphis, 1836, 96. 



on the results of trials made for water 



in the desert between Suez and Cairo, 

 1837, 66. 



* on the Egyptians and Americans, 



1845, 80. 



Spittal (Dr.) on the cause of the sounds of 

 respiration, 1838, 122. 



Splittgerber (M.) on the manufacture of 

 a coloured glass, 1845, 29. 



Spooner (W. C) on certain principles 

 which obtain in the application of ma- 

 nures, 1846, 44. 



Spottiswoode (W.) on the fundamental 

 laws of motion and equilibrium, 1847, 5. 



Spratt (Capt.) on a remarkable pheno- 

 menon presented by the fossils in the 

 freshwater tertiary strata of the island of 

 Cos, 1845, 59.^ 



on the influence of temperature 



upon the distribution of the fauna in the 

 ^geanSea, 1848, 81. 



* on the route between Kustenjeh 



and the Danube, 1856, 119. 



^Sprengel (Dr. H.) on a new form of 

 blowpipe for laboratory use, 1860, 72. 



Square (W. J.) on empyema, 1841, 82. 



Stainton (H. T.) on the distribution of 

 British butterflies, 1859, 156. 



on some pecuHar forms amongst the 



micro -lepidopterous larv£e, 1860, 122. 



Stanger (Dr. W.) on certain furrows and 

 smoothings in the surface of granite, 

 caused by drift sand, at the Cape of Grood 

 Hope, 1852, 61. 



Stanley (Capt.) on the lengths and velo- 

 cities of waves, 1848, 38. 



Stanley (Lord), address as President of the 

 Statistical Section, 1856, 122. 



Stanspeld (H.) on distinctions between 

 money and capital, interest and discount, 

 currency and circulating medium, essen- 

 tial to be observed in the reform of our 

 monetary laws, 1858, 197. 



*Stark (Dr.) on the statistics of small-pox, 

 1845, 90. 



Stark (Dr. James) on the structure and 

 mode of the formation of glaciers, 1842, 

 58. 



Stark (John), return of the number of 

 civil actions and civil and criminal pro- 

 secutions and informations in the north- 

 ern district of Newfoundland during 29 

 years, 1855, 191. 



Statham (Rev. F. F.) on a curious exem- 

 plification of instinct in birds, 1853, 71. 



on the consumption of smoke in fur- 

 naces and manufacturing premises, 1853, 

 127. 



on railway collisions, with suggestions 



for their prevention, 1853, 129. 



on the geology of the Scilly Isles, 



1858, 108. 



on the occurrence of Bombyx mori in 



a wild state in this country, 1858, 130. 



*Stather (J.) on an improved printing- 

 machine, 1854, 163. 



Stein (J.) on a direct method of separating 

 arsenious from arsenic acid, and on its 

 application to the estimation of nitric 

 acid, 1850, 62. 



Steiniieil (Prof), notice of liis method of 

 making specula by the electrotype, 1842, 

 16. 



