124 



SECTIONS. INDEX OF AUTHORS. 



Davy (Dr. J.) on the incrustation which 

 forms in the boilers of steam-engines, 

 1850, 51. 



■ on the fishes of the Lake District, 

 1858, 122. 



, observations on the Lake District, 



1858, 149. 

 Dawes (J. S.) on the manufacture of iron, 



1838, 68. 

 on the occurrence of vegetable remains, 



supposed to be marine, in the new red 



sandstone, 1842, 47. 

 Dawson (Mr.), model of the great landslip 



at Axmouth, 1841, 64. 

 Dawson (Dr. J. W.) on the fossils of the 



coal formation of Nova Scotia, 1855, 81. 

 on the species of Meriones and Arvi- 



colae found in Nova Scotia, 1855, 1 10. 

 * on the vegetable structure visible in 



the coal of Nova Scotia, 1858, 80. 

 — — on the occurrence of a land shell and 



reptiles in the South Joggins coal-field, 



Nova Scotia, 1859, 102. 

 Day (W.) on the economical working of 



steam b ilers and furnaces, 1854, 149. 

 Deax (A.) on the discoA'ery of gold ores in 



Merionethshire, 1844, 56. 



■ on the stratification of igneous and 

 sedimentary rocks of the lower Silurian 

 format! n in North Wales, 1844, 56. 



Deane (Sir T.) on the method adopted by 

 his brother, Mr. A. Deane, to raise the 

 ' Innisfaile ' steam-vessel from the Cork 

 river, 1843, 10 1. 



— — on the construction of buildings for 

 the accommodation of audiences, 1844, 

 99. 



De Colmar's (T.) arithmometer, or calcu- 

 lating machine, 1854, I. 



*De la Beciib (Sir H. T.) on the metalli- 

 ferous veins of Cornwall, 1836, 83. 



on that portion cf the Ordnance geo- 

 logical map of England completely co- 

 loured, and on a section through the Silu- 

 rian rocks in the vicinity of Builth, 1844, 

 46. 



* on the geology of portions of South 



Wales, Gloucestershire, and Somerset- 

 shire, 1848, 79. 



De la Rive (Prof.) on an optical pheno- 

 menon observed at Mont Blanc, 1837, 

 10. 



on the interference of electro-magnetic 



currents, 1837, 27, 



*De la Rue (Warren) on a new acetic ether 

 occurring in a natural resin, 1860, 71. 



* on the isomers of cumol, 1860, 71. 



♦Delesse (Achille) on the changes occa- 

 sioned during the c:oling of the granite 

 of Mont Blanc, 1852, 43. 



*Db Moleyns (Mr.) on recent discoveries 

 in voltaic combination, 1841, 42. 



— — on the nature and properties of ozone, 

 1841, 57. 



Dekham (Capt.) on the survey of the Mer- 

 sey and the Dee, 1835, 64. 



Denham (Capt.) on vibration of railways, 

 1835, 108. 



on the tidal capacity of the Mersey 



estuary, &c., 1837, 85. 



Dennis (J. C.) on improvements in the re- 

 flecting circle, 1848, 117. 



Dennis (Rev. J. B. P.) on the mode of 

 flight of the Pterodactyles of the coprolite 

 bed near Cambridge, 1860, 76. 



Dennistoun (J.) on a tissue spim by cater- 

 pillars, 1850, 123. 



Denny (H.) on the hatching and rearing a 

 grey parrot in England, 1843, 71. 



on the remains of the hippopotamus 



found in the Aire Valley deposit near 

 Leeds, 1853, 51. 



Dent (E. J.) on the application of a glass bal- 

 ance-spring to chronometers, 1833, 421. 



on a chronometer with a glass balance- 

 spring, 1834, 595. 



on the effects of temperature on the 



regulators of time-keepers, and improve- 

 ments in pendulums, 1838, 35. 



, experiment to determine the difference 



of longitude between Grreenwich and New 

 York, 1839, 27. 



on the mean daily rate of the transit- 

 clock in the Radcliffe observatory, Oxford, 

 1839, 28. 



on a coating cf goM to steel balance- 

 springs cf chrv.nometers, 1841, 41. 



on the 1, ngitude cf Devonport, 1842, 9. 



on the rate of protected chronometer 



springs, 1842, 9. 



(. n a new chronometer compensating 



balance, 1842, 10. 



on the rate of a patent compensating 



pendulum, 1842, 10. 



*- on the shape of the teeth of the 



wheels of the clock in the New Royal Ex- 

 change, 1844, 8. 



on a new steering and azimuth com- 

 pass, 1844, 12. 



on a method of suspending a ship's 



compass, 1845, 16. 



on a new portable azimuth compass, 



1846, 25. 



*Derry (S.), report of patients of the Ply- 

 mouth public dispensary, 1841, 83. 



De Vrij (Dr.) on biliary concretions, 1847, 



59- 

 on the analyses of the inorganic con- 

 stituents of organic bodies, 1847, 59. 



on the black colouring matter of the 



lungs, 1849, 36. 



on solid and liquid camphor from 



the Dryoba anops caraphora, 1851, 52. 



on nitro-glycerine, 1851. 52. 



Dewbain (Mr.), notice of the downy fruit 

 of the black poplar, 1842, 64. 



DiBB (J. E.) on registry of deeds in the 

 West Riding of Yorkshire, 1858, 175. 



Dick (D.) on the construction of achro- 

 matic object-glasses, 1834, 593. 



Dick (Mr.) on the use of the omentum, 

 1834, 683. 



