INDEX II. 



2/5 



mical and microscopical phenomena of 

 gouty inflammation, 165. 



Gas, on a new form of instantaneous 

 generator of illuminating, 69. 



Gas-burner, on a new, 237. 



Gas carriages for lighting railway car- 

 riages with coal-gas instead of oil, 235. 



Gases, on the dynamical theory of, 9. 



Gas-meters, wet, on an improved method 

 of maintaining a true liquid level, par- 

 ticularly applicable to, 228. 



Gassiot (J. P.) on the stratified electrical 

 discharge, as afFected by a moveable 

 glass ball, 11. 



Gasteropoda, on reproduction in, 1C2. 



Gauge, on a deep-sea pressure, 236. 



Gebel Hauran and its adjacent districts, 

 180. 



Geikie (A.) on the chronology of the trap 

 rocks of Scotland, 106. 



Genetic cycle, on the, in organic nature, 

 172. 



Geography, 176, 265. 



Geology, 93, 260; of Lower Egypt, 101. 



Georgetown, Demerara, on tables of rain 

 registered at, 52. 



Gerard ( Alexander), experimental illus- 

 tration of the gyroscope, 235. 



Ghadames, description of, 178. 



Gibb (Alexander) on the granite quarries 

 of Aberdeen and Kincardineshire, 235. 



Gibb (Dr. G. D.) on Canadian caverns, 

 106. 



Gibson (William Sydney) on some ba- 

 saltic formations in Northumberland, 

 106. 



Giffard's(M.) automatic injector for feed- 

 ing boilers, 237. 



Girdleness and Dunnottar Castle, on the 

 section of the coast between the, 261. 



Gladstone (Dr. J. H.) on the relation be- 

 tween refractive index and volume 

 among liquids, 12 ; on the fluorescence 

 and phosphorescence of diamonds, 69 ; 

 on photographs of fluorescent sub- 

 stances, ib. 



Glasgow, on church-building in, 223 ; 

 description of the waterworks at, 229. 



Glass, on the decomposed, found at Nine- 

 veh and other places, 1 1 ; new process 

 of etching, in relief by hydrofluoric acid, 

 88. 



Glennie (J. S.) on a general mechanical 

 theory of physics, 58. 



Glenroy, observations on the parallel 

 roads of, 265. 



Gneiss, red sandstone and quartzite, on 

 the relations of the, in the North-west 

 Highlands, 119. 



Gold, on the effects of the recent dis- 



coveries of, 205 ; on the social and 

 economical influence of the new, ib. 



Gold nugget from Australia, on a, 85. 



Gould (John) on the varieties and species 

 of new pheasants recently introduced 

 into England, 147; on several species 

 of birds of paradise, 148 ; on some 

 new species of birds, 149. 



Gouty inflammation, on the specific, che- 

 mical and microscopical phenomena of, 

 165. 



Graham (Thomas) on the molecular move- 

 ments of fluids, 259. 



Grampians, on sections along the south- 

 ern flanks of the, 109. 



Granite, on, 100; on the different points 

 of fusion to be observed in the con- 

 stituents of, 68 ; on the connexion of 

 the, with the stratified rocks in Aber- 

 deenshire, 114. 



Grey (Sir C.) on the longitude, 34. 



Guthrie (Dr.), reports from the laboratory 

 at Marburg, 68. 



Gutta percha as an insulator at various 

 temperatures, on, 248. 



Gymnotus electricus, on the employment 

 of, as a medical shock-machine by the 

 natives of Surinam, 158. 



Gyroscope, an experimental illustration 

 of the, 235. 



Hamilton (Sir W. R.) on an application 

 of quaternions to the geometry of Fres- 

 nel's wave-surface, 248. 



Harbours of refuge, on, 229. 



Harkness (Prof.) on the yellow sandstones 

 of Elgin and Lossiemouth, 109 ; on 

 sections along the southern flanks of 

 the Grampians, ib. 



Harrington (G. F.) on the theory of light, 

 12. 



Hart (G.) on gas carriages for lighting 

 railway carriages with coal-gas instead 

 of oil, 335. 



Harvey (Arthur) on the agricultural sta- 

 tistics of the county of Aberdeen, 210. 



Hay (Sir A. L.) on the vitrified forts on 

 Noth and Dunnideer, 179. 



Heat, 10; on the, developed by friction 

 in air, 12; on radiant, 23 ; on the dis- 

 tribution of, over the sun's surface, 50 ; 

 on some new cases of phosphorescence 

 by, 76. 



Heat-diffusers, on the true action of what 

 are called, 244. 



Hector (Dr.), description of passes through 

 the Rocky Mountains, 180. 



Helico-meter, on a, 237. 



Heliometer, on an improvement in the, 

 36. 



18* 



