183 



Forbes (Prof.) on a brine-spring emit- 

 ting carbonic acid gas, 28. 



Forbes (E.) on tbe terrestrial Pulmo- 

 nifera in Europe, 112. 



Foumess (Mr.) on coal-mine ventila- 

 tion, 163. 



Fox (R. W.) on the production of a 

 horizontal vein of carbonate of zinc, 



France, progress and amount of mining 



industry in, 174. 

 Fuel, plan for cementing together 



small coal and coal dust for, 85. 



Gamboge, on the resin and compounds 

 of, 60. 



Garnett (J.) on a new day and night 

 telegraph, 159. 



Gas, olefiant, some experiments on, 

 40. 



Gas meter, on Cliff's, 158. 



Geography, 96. 



Geological evidence and inferences, 

 on, 93. 



Geological models, on the construc- 

 tion of, 94. 



Geometric method, general, 1. 



Geology, 74. 



Glover (R. M.) on the functions of 

 the rete mucosum and pigmentum 

 nigrum, in the dark races of man- 

 kind, 125. 



Goodsir (Mr.) on the human teeth, 

 121. 



Gl\Tin (J.) on the water-works of 

 Newcastle-on-Tyne, 164. 



Goliathus, new species of, 113. 



Goniometer, WoUaston's, on an alter- 

 ation in, 153. 



Granville (Dr.) on an improved ste- 

 thoscope, 129. 



Graves (C.) on a general geometric 

 method, 1. 



Gray (J. E.) on the angular lines on 

 shells of certain moUusca, 11. 



on a new British shell, 110. 



on the boring of pholades. 111. 



on the wombat. 111. 



Green (B.) on an improved principle 

 in the construction of timber bridges, 

 150. 



Greener (W.) on the construction of 

 steam-boilers, 162. 



Greenhow (T. M.) on the beneficial 

 effects of mercurial action rapidly 

 induced, 124. 



Greenhow (T. M.) on fractures, 130. 



GriflBth (R.) on the geological struc- 

 ture of the south of Ireland, 81. 



Gyrodus, on the teeth of the genus, 

 143. 



Hsemadynameter, 129. 



Hail (Mr.) on a machine for raising 

 water by an hydraulic belt, 158. 



Halley's comet, on, 19. 



Hamilton (Sir W. R.) on the propa- 

 gation of light in vacuo, 2. 



on the propagation of light in 



cr\'stals, 6. 



Hancock (J.) on the Greenland and 

 Iceland falcons, I06. 



Handyside (Dr.) on the Sternoptixi- 

 nese, 110. 



Hare (Dr.), some chemical experi- 

 ments, by, 39. 



Hare (Mr.) on statistical inquiries, 

 177. 



Hawkins (J. T.) on methods of filter- 

 ing water, 163. 



Hawthorn (Mr.) on an improved me- 

 thod of working the valves of a lo- 

 comotive engine, 160. 



Helm wind, on the, 33. 



Herapath (W.) on a new process for 

 tanning, 71. 



Herschel (Sir J. W. F.) on the vi- 

 treous humour of the eye of a shark, 

 15. 



, observations on stars and ne- 

 bulae at the Cape of Good Hope, 

 17. 



on Halley's comet, 19. 



Hincks ( Rev. W.) on vegetable mon- 

 strosities, 120. 



Hindmarsh (J.) on the wild cattle of 

 Chillingham Park, 100. 



• on the condition of the agricul- 

 tural labourers of Northumberland, 

 167. 



Hodgkinson (E.) on the tempera- 

 tures observed in mines in Cheshire, 

 34. 



Hope (Rev. F. W.) on the modern 

 classification of insects, 113. 



on the noxious insects which in- 

 jure the apple trees and hops, 113. 



Hydrogen gas, an attempt to liquefy, 

 ■73. 



Hydrogen, specific gravity of, 64. 



Hydrogen and carbon, a new com- 

 pound of, 72. 



