234 



SECTIONS. INDEX OF SUBJECTS. 



Disease, endemic, A. Keith Johnston on 

 the geographical distribution of, as indi- 

 cating the connexion between natural 

 ?henomena and health and longevity, 

 850, 150. 



Dispensaries, self-supporting, on, with some 

 statistics of the Coventry Provident Dis- 

 pensary, by C. H. Bracebridge, 1858, 

 170. 



Dispersion, chromatic, M. Ponton on the 

 laws of, 1859, 15; 1860, 16. 



, prismatic, Prof. Powell's lecture on 



the phenomena of, 1835, 5. 



Distance of objects, simple apparatus for 

 determining the, 1843, 102. 



Distances at sea or land, P. Leahy's method 

 of ascertaining, 1843, 10 1. 



determined by the telescope, by E. 



Bowman, 1841, 42. 



, P. Adie on an instrument for mea- 

 suring, 1860, 59. 



Distillation, destructive, Dr. Reichenbach's 

 discoveries in, 1834, 591. 



of wood, R. Scanlan on a new substance 



from the, 1836, 76. 



Diving animals. Dr. Houston on the circu- 

 lating organs of, 1835, 81. 



apparatus. Sir J, Richardson on a 



case of a diver who was injm-ed by the 

 bursting of the air-pipe of the, 1842, 

 84. 



operations, W. S. Ward on an appa- 

 ratus for giving light under water in, 



1847, 132. 

 Divisibility of matter, infinite. Rev. Dr. 



Whewell on Dr. Wollaston's argument 



respecting, 1839, 26. 

 Dock, floating dry, G. Bayley on a, 1858, 



206. 

 Docks, floating, on the formation of the 



entrances to, 1857, 198. 

 Dock-gates, some remarks on, 1837, 57. 

 Dodder plant (Cuscuta epilinum), J. E. 



Bowman on the, 1839, 89. 

 Dodo, long-legged. Prof. Strickland on two 



additional bones of the, 1849, 81. 

 , Prof. Strickland on the history of the, 



and other allied species, 1847, 79. 

 Dog as the associate of man, Dr. Hodgkin 



on the, 1844, 8i. 

 Dolichognathus Lloydii, 1839, 75. 



varvicensis, 1839, 75. 



Dolomite, Prof. Forchhammer on the forma- 

 tion of, 1849, 36. 

 Dolomites and gypsum, T. S. Hunt on, 



1860, 83. 

 Donati's comet, E. J. Cooper on, 1858, 



28. 

 Door-spring, improved, G-. Beattie on an, 



1850, 170. 

 Doris, A. Hancock and Dr. Embleton on 



the anatomy of, 1850, 124. 

 , J. Alder on the existence of eyes in 



the, 1842, 69. 

 bilamellata, gregarious habit of, 1857, 



108. 



Dove's maps, causes of the rise of the iso- 

 thermal lines in the winters of the North- 

 ern hemisphere, as represented on, by 

 T. Hopkins, 1850, 34. 



Dracaena Draco, or gum-dragon tree. Dr. 

 Mackay on the treatment and flowering 

 of a plant of, 1850, 1 14. 



Drainage of a portion of Chat Moss, on the, 

 1848, 72. 



, Or. W. Ormerod on the gradual sub- 

 sidence of a portion of the surface of 

 Chat Moss, in Lancashire, by, 1850, 



lOI. 



of land, A. Milward on the Upton 



draining-tool, 1849, 122. 



of low lands, on an india-rubber 



valve for the, by Prof. J. Thomson, 1855, 

 210. 



of marshes and fen-lands, on the ap- 

 plication of steam power to the, by J. 

 aiynn, 1848, 117. 



of the metropolis, E. Jones on the, 



1858, 213. 



and irrigation, on a centrifugal pump 



and windmill for, by Prof. J. Thomson, 

 1855, 210. 



Drawing, H. Twining on an instrument for, 



1852, 32. 

 , Sir D. Brewster on the conversion of 



relief in a, 1847, 33. 

 Drawing-paper, new kind of, 1842, 1 14. 

 Dredge, Dempster's, notice of, 1855, ii8. 

 Dredging at Oban, species obtained by 



J. G. Jeffreys, 1842, 75. 



round the coasts of Anglesea, 1844, 



63. 



-. near Sana Island, off the Mull of Can- 

 tire, species obtained by G. C. Hyndman, 

 1842, 70. 



off the Mull of Galloway by Capt. 



Beechey, 1842, 72. 



in Weymouth Bay, W. Thompson on, 



1857, 108. 

 Drift of North America, Prof. H. D. Rogers 



on the, 1848, 75. 

 of West Galway and the eastern parts 



of Mayo, J. Birmingham on the, 1857, 



64. 



or boulder-clay in the vicinity of 



Aberdeen and north-east of Scotland, 

 Prof. Nicol on the, 1859, 118. 



— r—, Severn, Rev. W. S. Symonds on a 

 fossil of the, 1857, 93. 



, superficial, on human remains in, 



by Rev. Dr. Anderson, 1859, 95. 



, triassic, from the neighbourhood of 



Frome, C. Moore on the contents of, 

 1860, 87. 



" Drift-bedding " (a kind of false stratifica- 

 tion), description of a working model to 

 illustrate the formation of, by H. C. 

 Sorby, 1856, 77. 



Drift-beds and boulders of the north of 

 Scotland, T. F. Jamieson on the, 1859, 

 114. 



Drink, intoxicating, on the progress of 



