SECTIONS. INDEX OF AUTHORS. 



123 



Daubeny (Dr.), specimen of an index to 

 the flora of Oxfordshire exhibited by, 

 1831-32, 606. 



on the action of light upon plants, 



1833, 436 ; 1835, 73 ; 1853, 103. 



on excretions from the roots of ve- 

 getables, 1834, 598. 



— — on the Tolatilization of magnesia by 

 heat, 1835, 51. 



- on the effects which arsenic produces 

 on vegetation, 1836, 76. 



on tlie chemical theory of volcanic 



phenomena, 1836, 81. 



* , instrument for drawing up water 



from great depths, 1836, 132. 

 ■ on the climate of North America, 1838, 



29. 

 on the geology and thermal springs of 



North America, 1833, 91. 



- on an apparatus for obtaining a nume- 

 rical estimate of the intensity of solar 

 light, 1839, 6. 



on manures considered as stimulants 



to vegetation, 1841, 47. 



on the disintegration of the dolomitic 



rocks of the Tyrol, 1841, 48. 



, notice of a portable botanical press, 



1841, 77. 



on the agricultural importance of as- 

 certaining the minute portions of matter 

 derived from organic sources that may be 

 preserved in the surface-soil, and on the 

 chemical means by which its presence 

 may be detected, 1842, 37. 



on the causes of the irregularities of 



surface which are observable in certain 

 parts of the magnesian limestone forma- 

 tions of this country, 1842, 39. 



on an irregular production of flowers 



in an aloe, 1812, 65. 



on the phosphorite rock in Spanish 



Estremadura, 1844, 28. 



on the chemical principles involved 



in the rotation of crops, 1845, 33. 



on Cavendish's experiment respect- 

 ing the production of nitric acid, 1846, 

 38. 



on the rationale of certain practices 



employed in agriculture, 1846, 42. 



, new facts bearing on the chemical 



theory of volcanos, 1846, 45. 



on the nutritive value of different 



kinds of food, 1847, 49. 



experiments in vegetable physiolrgy 



and agricultural chemistry in the Botanic 

 Q-arden, Oxford, 1847, 82. 



reply to an objection of Mr. Hopkins 



to the "chemical theory of volcanos," 

 1848, 67. 



on an indirect method of ascertaining 



the presence of phosphoric acid in rocks, 

 where the quantity of that ingredient was 

 tOD minute to be determinable by direct 

 analysis, 1855, 55. 



on the action of light on the germi- 

 nation of seeds, 1855, 56. 



*Daubeny (Dr.) on the influence of light 

 on the germination of plants, 1855, 

 103. 



on a method of refining sugar, 1857, 



45- 



on the conversion of paper into parch- 

 ment, 1857, 45. 



* , notice of several varieties of volcanic 



tufa from the neighbourhood of Rome 

 and Naples, 1859, 68. 



on certain volcanic rocks in Italy which 



appear to have been subjected to meta- 

 morphic action, 1859, 102. 



on the elevation theory of volcanos, 



1860, 75. 



on the final causes of the sexuality of 



plants, in reference to Mr. Darwin's 

 theory, 1860, 109. 



, experiments on equivocal generation, 



1860, 115. 



Davidow (M.) on the theory of equilibrium 

 of floating bodies, 1847, i. 



Davies (Mr.) on a machine for cutting the 

 teeth of bevel wheels, 1839, 129. 



*Davies (H. B.) on the Tasmanians, 1846, 

 117. 



^Davies (J.) on the manufacture and purifi- 

 cation of gases obtained from coal, 1842, 

 40. 



*Davies (J. A.) on the decomposition of 

 magnesian limestone at Brodsworth, 1854, 

 66. 



Davies (T.) on the diurnal variation of the 

 barometer, 1859, 50. 



Davis (J. B.) on the forms of the crania of 

 the ancient Britons, 1854, 127. 



on the forms of the crania of the 



ancient Romans, 1855, 142. 



on the forms of the crania of the Anglo- 

 Saxons, 1856, 108. 



on the inhabitants of the Tarai, at the 



foot of the Himalayas, 1859, 177. 



Davis (Sir J. F.) on China, in reference to 

 operations in that quarter, 1857, 129. 



*Davis (J. H.) on the plants of the ooHtic 

 moorlands, 1858, 224. 



Davis (R.) on a patent pan for evaporating 

 saccharine solutions and other liquids at 

 a temperature below 108° Fahr., 1859, 

 230. 



Davison (R.) on a desiccating process, 

 1849, 114. 



Davison (T.) on a reflecting telescope, 1833, 

 420. 



Davy (Prof. E.), experiments to preveirt 

 corrcsion by sea-water, 1835, 34, 36. 



on Irish and Virginian tobacco, 1835, 



37. 



on nicotin, 1835, 38. 



on a new gaseous bicarburet of hydro- 

 gen, 1836, 62. 



on a compound of carbon and potas- 

 sium, or carburet of potassium, 1836, 

 63. 



on a new gaseous compound of car- 

 bon and hydrogen, 1837, 50. 



