INDEX II. 



273 



stereoscopic angle, 6t; on a changing 

 diaphragm for double achromatic com- 

 binations, 62. 



Cleghorn (John; on the submerged forests 

 of Caithness, 101. 



Clouston (Rev. Charles), remarks on the 

 climate of Orkney, 48. 



Coal at Ambisheg, Isle of Bute, 100. 



Coal burning without smoke, on, 230. 



Coal strata of North Staffordshire, with 

 reference particularly to their organic 

 remains, 103. 



Cod, on the structure of the otoliths of the, 

 174. 



Colour, on the production of, 22. 



Colour-blindness, on the statistics of, 228. 



Compass, on changes of deviation of the, 

 on board iron ships by " heeling," 28 ; 

 on an improvement in the proportional, 

 03. 



Condensation, on surface, 236. 



" Cone-in-cone," on the origin of, 124. 



Cotton fabrics, on the formation of roso- 

 late of lime on, in hot climates, 68. 



Cow, on drift pebbles found in the stomach 

 of a, 158. 



Cox (H.) on the submergence of tele- 

 graphic cables, 11. 



Craufurd (John) on the relation of the 

 domesticated animals to civilization, 

 177; on the effects of the influx of the 

 precious metals which followed the dis- 

 covery of America, 205 ; on the effects 

 of the recent gold discoveries, ib. 



Cretaceous formation, on the remains of 

 the, in Aberdeenshire, 262. 



Croall (Mr.) on the more remarkable 

 plants found in Braemar, 133. 



Cruickshank (Alexander) on the natural 

 obstructions in the atmosphere pre- 

 venting the view of distant objects on 

 the earth's surface, 49. 



Crum (Walter) on the ageing of mordants 

 in calico printing, 258. 



Cubebin, on the action of concentrated 

 sulphuric acid on, 256. 



Cultivation, on the upper limits of, in 

 Aberdeenshire, 133. 



Cydippe, on the genus, 155. 



Dale (Rev. T. P.) on the relation between 

 refractive index and volume amoiiir 

 liquids, 12. 



Dalyell (Consul), memorandum of earth- 

 quake at Erzerum, 266. 



Dalzell (Dr.) 011 crystallized bichromate 

 of strontia, 68 ; on the economical pre- 

 paration of pure chromic acid, ib. 



Danube, notes on the lower, 197. 



Daubeny (Dr.) on volcanic tufa from the 

 1859. 



neighbourhood of Rome and Naples, 

 68 ; on certain volcanic rocks in Italy 

 which appear to have been subjected to 

 metamorphic action, 102. 



Davies (T.) on the diurnal variations of 

 the barometer, 50. 



Davis (J. Barnard) on the inhabitants of 

 the Tarai, at the foot of the Himalayas, 

 177. 



Davis (Richard) on a patent pan for eva- 

 porating saccharine solutions and other 

 liquids at a temperature below 108° 

 Fahr., 230. 



Dawson (J. W.), letter to Sir Charles 

 Lyell, on the occurrence of a land shell 

 and reptiles in the South Joggins coal- 

 field, Nova Scotia, 102. 



Decimal coinage, on, 215, 223. 



Dee, on the rivers, forming the ports of 

 Aberdeen and Chester, 228. 



Diamonds, on the fluorescence and phos* 

 phorescence of, 69. 



Diatomaceous deposit found in the island 

 of Lewis, 133. 



Dickie (Dr.) on the upper limits of culti- 

 vation in Aberdeenshire, 133; on the 

 flora of Aberdeenshire, 134; on the 

 mollusca of Aberdeenshire, 147 ; on the 

 structure of the shell in some species of 

 Pecten, 147. 



Dicoi-yne stricta, on, 142. 



Dingie (Rev. J.) on the constitution of 

 the earth, 102. 



Disinfecting and deodorizing powder, on 

 Corne and Demeaux's, 74. 



Dock-gates, on the angles of, and the cells 

 of bees, 10. 



Dowling (Mr.) on the quantitative esti- 

 mation of tannin in some tanning ma- 

 terials, 75. 



Downshire, on the discovery of Silurian 

 fossils in the slates of, 260. 



Drift, on human remains in superficial, 

 95. 



Drift beds and boulders of the north of 

 Scotland, on the, 114. 



Drift pebbles found in the stomach of a 

 cow, 158. 



Drink, intoxicating, on the progress of 

 public opinion with respect to the evils 

 produced by the traffic in, 205. 



Dugong oil, on, 256. 



Dupre (A.) on the composition of 

 Thames water, 75. 



Dura Den sandstone, on, 97. 



Dyce (Dr.) on the identity of Morrhua 

 vulgaris and M. punctata, hitherto de- 

 scribed as distinct species, 265. 



Earth, on the constitution of the, 102. 



18 



