178 



SECTIONS. INDEX OF AUTHORS. 



dry powder of clay compressed, 1842, 



114. 

 Rogers (Prof. H. D.) on the geology of 



Pennsylvania, 1848, 74. 

 * on some of the geological functions of 



the winds, illustrating the origin of salt, 



&c., 1855, 95. 

 * on the geology of the United States, 



1855, 95. 

 * on some reptilian footprints from the 



carboniferous strata of Pennsylvania, 



1855, 95. 



* on the origin of saliferous deposits, 



1856, 75. 



* on the correlation of the North 



American and British paleeozoic strata, 

 1856, 175. 



* on the geological survey of Pennsyl- 

 vania, 1857, 89. 



* on the discovery of strata of supposed 



Permian age in the interior of North 

 America, 1858, 224. 



* on some observations on the parallel 



roads of GHenroy, 1859, 265. 



* on some phenomena of metamor- 



phism in coal in the United States, 1860, 



lOI. 



EoGERS (Profs. H. D. and W. B.) on the 

 physical structure of the Appalachian 

 chain, as exemplifying the laws which 

 have regulated the elevation of great 

 mountain chains generally, 1842, 40. 



on the phenomena and theory of earth- 

 quakes, 1843, 57. » 



Rogers (J. W.) on the nutritive properties 

 of the potato, when properly manipulated, 

 as compared with wheat, &c., 1857, 57. 



on some of the medicinal and chemical 



properties of carbonized peat moss, 1857, 5 8. 



Rogers (Prof. W. B.), general sketch of the 

 structiu-e of Virginia, with especial refer- 

 ence to the faults in the Alleghanies, 

 1849, 65. 



* on the discovery of Paradoxides in 



New England, 1857, 89. 



Rogers (Profs. W. B. and R. E.) on a new 

 process for analysing graphite, natural 

 and artificial, 1848, 59. 



■ on the oxidation of the diamond in 

 the liquid way, 1848, 60. 



* on the absorption of carbonic acid by 



sulphuric acid, 1848, 61. 



on the decomposition and partial solu- 

 tion of minerals, rocks, &c. by pure water 

 and water charged with carbonic acid, 

 1849, 40. 



*RoGERS (Prof. W. B., of Boston, U.S), ozone 

 observations, 1857, 58. 



— — on a very powerful induction appara- 

 tus devised by Mr. E. S. Ritchie, 1857, 1 5. 



, experiments and conclusions on bino- 

 cular vision, 1860, 1 7. 



on the phenomena of electrical va- 

 cuum-tubes, 1860, 30. 



♦Ronalds (Prof. E.) on the oil of the sun- 

 fish, 1852, 39. 



Ronalds (F.) on the meteorological obser- 

 vations at Kew, with an account of the 

 photographic self-registering apparatus, 

 1846, 10. 



, notice of observations carried on at 



the Kew observatory, 1847, 30. 



*RooK (Mr.) on the tidal phenomena in the 

 Bay of Fundy and the River de la Plata, 

 1842, 22. 



RooKE (J.) on the relative age and true 

 position of the millstone grit and shale, 

 1844, 51. 



RooTSEY (Dr. S.) on the higher orders of 

 Grecian music, 1836, 37. 



on mnemonical logarithms, 1836, 



38- 



* on Aranea avicularia, 1836, 98. 



on sugar, malt, and an ardent spirit 



from mangel wurzel, 1836, 107. 



RoscoE (Dr. H. E.), photochemical re- 

 searches with reference to the laws of 

 the chemical action of light, 1855, 48. 



Rose (A.) on the discovery of plumbago or 

 graphite in the island of Mull, Hebrides, 

 1850, 102. 



Rose (C. B.), notice of the antler of a rein- 

 deer found below the cliff near South- 

 wold, Suffolk, 1851, 69. 



on the discovery of a new Talpina ?, 



1852, 55. 



Rose (Prof. H.) on a new metal, Pelopium, 

 1846, 37. 



Rosen (Count Adolphe de) on maps of 

 Sweden, 1847, 67. 



Ross (Rear Admiral Sir John) on the au- 

 rora borealis, 1835, 18; 1852, 31; 1855^ 

 42. 



* on errors which may be occasioned 



by disregarding the influence of solar or 

 artificial light on magnets, 1854, 12. 



on the deviation of the magnetic needle 



peculiar to Liverpool, 1854, 12. 



RossE (Earl of) on the nebula 25 Her- 

 schel, or 61 of Messier's catalogue, 1845, 



4- 



on plain specula of silver for reflecting 



telescopes, 1851, 12. 



, drawings to illustrate recent observa- 

 tions on nebulae, with remarks by Rev. 

 Dr. Robinson, 1852, 22. 



-, address as President of the Mechanical 



- Section, 1857, 175. 



, address as President of the Mathema- 

 tical Section, 1859, i. 



*RoTCii (Mr.) on the state of the patent 

 laws, and the influence of those laws 

 on the progress of the mechanical arts, 

 1831-32, 613. 



*RoTii (Dr. M.) on the application of phy- 

 siological principles to gymnastic educa- 

 tion, 1855, 134. 



, aphoristic notes on sanitary statistics 



of workhouses and charitable institutions, 

 1856, 149. 



RowELL (G-. A.) on the formation of rain, 

 1840, 47. 



