INDEX II. 



215 



Garnets, doubly-refracting, Dr. von La- 

 saulx on, 92. 



Gas-condensing machine for the lique- 

 faction of gases by combined cold and 

 pressure, J. S. Coleman on a, 63, 

 '220. 



•Gasholder, a form of, giving a uniform 

 flow of gas, Prof. Barrett on, 48. 



*Genghiz Khan, the site of the grave of, 

 Prof. Forbes on, 182. 



General theorems relating to closed 

 curves, by Prof P. G. Tait, 29. 



Genesis, the possible, of the chemical 

 elements out of a homogeneous cosmic 

 gas or common vapour of matter. Dr. 

 Macvicar on, 05. 



Geographical Section, Capt. F. J. Evan's 

 Address to the, 169. 



Geological Section, Prof. J. Young's 

 Addi-ess to the, 72. 



Geology, the physical and geological 

 structure ol' Foula, G. A. Gibson, on, 

 90. 



*Germ theorj"-, spontaneous evolution 

 and the, by Dr. N. Carmichael, 146. 



Gibson (G. A.) on the physical geology 

 and geological structure of Foula, 

 98. 



•Gilchrist (Dr.) on the red soil of India, 

 90. 



*Gimingham (C. H.) on a modification 

 of the Sprengel pump, and a new 

 form of vacuum-tap, 49. 



•Gladstone (Prof) on the influence of 

 the condition and quantity of the 

 negative element on the action of the 

 copper-zinc couple, 64. 



Glaisher (J. W. L.) on certain deter- 

 minants, 13 ; on a series summation 

 leading to an expression" for the theta 

 function as a dehuite integral, lo. 



*Glen Roy, the parallel roads of, J. 

 Macfadzean on, 93. 



, , D. Milne Home on, 93. 



•Glucinum, its atomic vsreight and spe- 

 cific heat, Dr. J. E. Reynolds on, 

 68. 



Gold standard, the British, Dr. W. N. 

 Hancock on the importance of extend- 

 ing, to India, 198. 



for India, the depreciation 



of silver and a, S. Mason on, 207. 



'Grain-sieve, J. H. Greenhill on an im- 

 proved, 225. 



Granite and Old Red Sandstone, E. A. 

 Wiinsch on the junction of, at Glen 

 Sannox, Arrau, 98; 



of Stralh-Errick, Lough Ness, 



Dr. J. Bryce on the, 87 ; *on the 

 earthquake districts of Scotland, 88. 



Graphical intei-polation and integration, 

 G. H. Darwin on, 13. 



representation of tlie moments of 



resistance of plane figures, riSsum^ of 

 researches upon the, by Prof. G. Jung, 



•Gravity, J. Croll on the transformation 

 of, 30. 



•Greenhill (J. H.) on an improved 

 grain-sieve, 225. 



Grubb (H.) on the testings of large 

 objectives, 36; on recent improve- 

 ments in equatorial telescopes, 37 ; 

 on a method of photographing the 

 defects in optical glass arising from 

 want of homogeneity, 37. 



Gulf of Cutch, tidal operations in the, 

 Capt. A. W. Baird on, 52. 



•Guthrie (Dr. F.) and Prof F. Guthrie 

 on the passage of fluids through capil- 

 lary and other tubes, 31. 



* (Prof. F.) on solid water, 64. 



Haeckel (E.) iiber die Pki/semarien 

 {Haliphysema und Gastrophysema), 



Hancock (Dr. W. A.) on Savings' Banks 

 as a State function developed by 

 charity organization, 199 ; on the im- 

 portance of extending the British gold 

 standard, with subordinate silver 

 coins, to India as a remedy for the 

 inconvenience in India of a rapid de- 

 preciation of silver, 198. 



•Harkness (Prof) and Prof. A. H. 

 Nicholson on the strata and fossils 

 between the Borrowdaile series of the 

 Coniston flags of the north of Eng- 

 land, 90. 



•Harper (R. R.) on improvements in 

 railway appliances, 225. 



* (W.) on the natives of British 



Guiana, 165. 



•Han-ison (J. Park) on the Eastern 

 picture-writing, 165 



•Hartley (W. N.) on the critical point 

 of liquid carbonic acid in minerals, 

 64. 



•Hartshorne (B. F.) on the Rodiyas of 

 Ceylon, 165. 



•Hay (Capt. J. S.) and Commander 

 Cameron on horned men of Akkem, 

 in Africa, 165. 



Ilayden (W.) on parallel motion, 16. 



•Heart, Dr. Paton on the action and 

 sounds of the, 155. 



Henderson (W.), the history of copper 

 extraction by the wet way, 64. 



Hennessy (Prof) on the decrease of 

 temperature with height on the 



