148 



SECTIONS. — INDEX OF AUTHORS. 



Jellett (Rev. Prof.) on a new instrument 

 for determining the plane of polariza- 

 tion, 18(50, 13. 



Jellicoe (C) on improving the modo of 

 keeping and stating the national accovmts, 

 1854, 138. 



Jemison (W. H.) on the prevention of 

 crime, 1857, 162. 



Jenkin (Fleeming) on gutta percha as an 

 insulator at various temperatures, 1859, 

 248. 



on the retardation of signals through 



long submarine cables, 1859, 251. 



Jenkixs (J.) on aurorse observed at Swan- 

 sea, 1848, 22. 



• , meteorological phenomena observed 



at Swansea, 1848, 23. 



Jennings (F.) on some geological pheno- 

 mena in the vicinity of Cork, 1843, 51. 



Jennings (T.), chemical suggestions on the 

 agriculture of Cork, 1843, 38. 



Jenyns (Rev. L.) on genera and subgenera, 

 1833, 440. 



on certain species of Sorex, 1838, 104. 



on the turf of the Cambridgeshire 



fens, 1845, 75. 



• on timber attacked by the larvae of 



Callidium bajulum, 1847, 85, 



on the variation of species, 1856, 10 1. 



Jervis (Major) on the trigonometrical sur- 

 vey of India, 1838, 98. 



Jobert (A, C. G.) on graphic granite, 

 1846, 69. 



JocHMus (Lieut.-Gen.) on a journey to the 

 Balkan, or Mount Hsemus, from Constan- 

 ' tinbple, 1853, 84. 



Johnson (Capt. E. J.) on the application of 

 native alloy for compass pivots, 1840, 

 198. 



■ on the deviations of the compasses of 

 H.M. steamships Ajax and Blenheim, 

 1851, 8. 



■ on placing compasses on board of iron 



ships, 1852, 6. 



Johnson (H.) on a deep-sea pressure-gauge, 

 1859, 236. 



• , improved instrument for describing 



spirals, 1860, 60. 



Johnson (M. J.) on the detection and mea- 

 surement of atmospheric electricity by 

 the photo-barograph and thermograph, 

 1855, 40, 



Johnson (R.) on alloys, 1855, 50. 



on the specific gravities of alloys, 



1859, 66. 



Johnson (R. L.) on illuminating peat gas, 

 1857, 51. 



* on decimal coinage, 1859, 215. 



Johnson (W.) on the granite quarries of 

 Dartmoor, and their railways and ma- 

 chinery, 1841, 105. 



Johnson (Prof. W. R.) on some theoretical 

 and practical methods of determining the 

 calorific efficiencies of coals, 1851, 47. 



Johnston (A. Keith) on the geographical 

 distribution of disease, as indicating the 



connexion between natural phenomena 

 and health and longevity, 1850, 150. 



Johnston (J.) on a new rain-gauge, 1840, 

 211. 



Johnston (Prof. J. F. W.) on vanadium, 

 1831-32, 78. 



, examination of the sulphuretted sul- 

 phate of lead from Dufton, 1831-32, 577. 



on a method of analysing carbonaceous 



iron, 1833, 400. 



on the chemical composition of the 



crystallized oxychloride of antimony,1834, 

 587. 



on the cause of the optical properties 



of chabasie, 1835, 44. 

 analysis of single and double iodides 



of gold, 1835,45. 



on paracyanogen, 1836, 67. 



on a variety of ozocerite, 1837, 51. 



• on a new compound of nitrate with 



oxalate of lead, 1837, 52. 

 on the law of isomorphism, 1838, 59. 



on a new compound of sulphate of 



lime with water, 1838, 59. 



on a new compound of bicyanide with 



binoxide of mercury, 1838, 59. 



on the origin of petroleum, and on the 



petroleum from Whitehaven, 1838, 60. 



on Middletonite, 1838, 60. 



on the resin of gamboge and its com- 

 pounds, 1838, 60. 



on resins, 1840, 82. 



■ on some varieties of peat, 1840, 83. 



on the resin of sarcocolla, 1840, 83. 



* on the chemical principles of the 



rotation of crops, 1845, 34. 



* on the ashes of plants, 1845, 35. 



* on the origin and composition of the 



mineral called rottenstone, 1853, 42. 



' — —on the formation of magnesian lime- 

 stone, 1853, 42. 



* on the properties and composition of 



the cocoa leaves, 1853, 43. 



on the causes, physical and chemical, 



of diversities of soils, 1853, 43. 



on a chemical cause of change in the 



composition of rocks, 1853, 52. 



Jones (C. W.) on the analysis of wheat, a 

 peculiar volatile fluid, and a soluble mo- 

 dification of gluten, nitrogen in lignin, 

 &c., 1836, 74. 



Jones (E.) on the drainage of the metro- 

 polis, 1858, 213. 



* Jones (Dr. H. Bence), Prof. Schonbein's 



latest experiments on the allotropic con- 

 ditions of oxygen, 1858, 52. 



Jones (Rev. H. L.), statistics of the Univer- 

 sities of Oxford and Cambridge, 1838, 170. 



■ on the commercial statistics of France, 



1842, 98. 



Jones (Prof. R.) on an apparatus for ob- 

 serving fish (especially the Salmonidie) in 

 confinement, 1839, 93. 



* Jones (Prof. T. Wharton) on the forces by 



which the circulation of the blood is car- 

 ried on, 1852, 80, 



