INDEX II, 
Bart., on cavern explorations by, in 
the Vallée de Campan, Hautes-Pyré- 
nées, France, 88. 
Furness (H.) and I’, H. Varley on power- 
couplings for rolling-mills and other 
machinery, 231, 
Galvanic batteries, W. Symons on anew 
method of constructing carbon-cells 
and plates for, 31. 
battery, a cheap and convenient, 
adapted for weak, but continuous cur- 
rents, W. Symons on, 32, 
Gas, an inflammable, issuing from below 
the silt-bed in Belfast, Dr, Andrews 
on the composition of, 50. 
*Gases, J. Dewar on the latent heat of, 
2 
ale 
3 , liquefied, Dr. Dewar on the latent 
heat of, 57. 
Gatehouse (J. W.) and P, Braham on 
the dissociation of nitric acid by 
various means, 55, 
*Genealogical import of the internal 
shell of Mollusca, E. Ray Lankester 
on the, 137. 
ee pic Sciences, C. Maunoir on 
the International Congress of, 184, 
Section, Address by Major Wilson 
to the, 160. 
*Geological maps and sections of West 
Galway and South-west Mayo, G. H. 
Kinahan on, 88. 
— Section, Address by Prof. E, Hull 
to the, 67. 
— sections in the co. Down, W. A. 
Traill on, 93. 
survey of Ireland, Prof. Hull on 
the progress of the, 83, 
*Geology of the N.H. of Ireland, sketch 
of the, by Prof. Harkness, 83. 
Geometrical illustrations of Ohm’s law, 
by Prof. G. C. Foster, 28, 
*Giant’s Causeway, Prof. J. Thomson 
on the jointed prismatic structure of 
the, 93. 
Gibb (Sir G. Duncan, Bart.) on lon- 
gevity at five score eleven years, 152. 
Gill (Lieut.) on some roads in Northern 
Persia and on the Russio-Persian 
frontier, 182. 
Gladstone (Prof.) and A. Tribe, elec- 
trolytic experiments on some metallic 
chlorides, 58. 
Glaisher (J. W. L.) on partitions and 
derivations, 11; on some elliptic- 
transcendent relations, 15. 
Glover's (Sir John) expedition from the 
Volta to, Coomassie, Surgeon-Major 
S. Rowe on, 175, 
243 
| Godwin-Austen (Major H. H.) on the 
rude stone monuments of the Khasi 
Hill tribes, 153. 
*Goyernmental accounts, F. P. Fellows 
on, with further suggestions for es- 
tablishing a Doomsday Book, giving 
ihe value of governmental property, 
204, 
Grainger (Rey. Dr.) on the fossils of the 
posttertiary deposits of Ireland, 73. 
Gramme magneto-electrice machine, 
notes of experiments on the electric 
currents produced by the, by A. N, 
Breguet, 85. 
*Gray (W.) on the character and dis- 
tribution of rudely worked flints in 
the counties of Antrim and Down, 
153. 
Grey (Mrs. W.) on the study of educa- 
tion as a science, 204, 
Grimshaw (Dr. T. W.) on sanitary legis- 
lation and organization: its present 
state and future prospects, 206, 
*Grubb (H.) on improyements in equa- 
torial clocks, 41. 
*Guthrie (Prof. F.) on the flight of 
birds, 22; *on a new class of hy- 
drates, 22. 
Haan (Prof. B."de), contributions to the 
report on mathematical tables by, 
16. 
Hardman (E. T.) on some new localities 
for upper boulder-clay in Ireland, 76 ; 
on the geological structure of the 
Tyrone coal-fields, 77 ; on the age and 
ue of Lough Neagh, Ireland, 
9. 
*Harlkmess (Prof. ), sketch of the geolo 
of the hl of meee 83. rg 
Harland (E, J.) on a new form of screw- 
lowering apparatus, 222. 
Hart (H.) on some conversions of mo- 
tion, 17. 
Hastings (W.) on postal reform, 209, 
*Hawkins (W. W.) on a pair of sym- 
metrical bones present with the fossil 
remains of Iguanodon, 141. 
*Hayden (W.) on approximate parallel 
motion, 18, 
Head (J.) on a higher education for en- 
gineers, 223, 
Heat in the movement of the tides, Prof. 
J. Purser on the source from which 
the kinetic energy is drawn that 
passes into, 22, 
Hodges (Prof.) on the petrified wood of 
Lough Neagh, 58; on the composition 
of tea and tea-soils from Cachar, 60 ; 
on the composition of the fibre of the 
