Index. 
771 
Gegeubaur (Professor Carl) elected an 
Honorary Fellow, 287. 
Geikie (Professor) exhibits Map show- 
ing Progress of Geological Survey 
of Scotland, 367. 
on Saline Water from Vol- 
canic Rocks of Linlithgow, 367. 
Geological Survey of Scotland, 367. 
Gibson (Dr J.) on a New Method for 
the Separation of Yttrium and Er- 
bium from Cerium, Lanthanum, and 
Didymium, 734. 
Gladstone (Mr), Remarks by, 40. 
his Theory of Colour-Sense in 
Homer, 533. 
Glass Digester. See Digester. 
Glass, Refractive Index of, 567. 
Gordon (James) writes Latin Ad- 
dress Presented by the Society’s 
Deputation to the University of 
Upsala, 521, 526. 
Gordon (Lewis D. B.), Obituary 
Notice of, 212. 
Gott (M.) converts two Siphon Re- 
corders into a Telegraphic System, 
570. 
Government Fund of £4000, 275. 
Grant (Sir Alexander), V.P., contri- 
butes Opening Address for Session 
1877-78, 472. 
contributes Obituary Notice 
of the Hon. Lord Neaves, 503. 
contributes Obituary Notice 
of Andrew Coventry, Advocate, 506. 
• contributes Obituary Notice 
of Sir David Dundas, Bart., 508. 
Graphic Methods of Determining the 
Efficiency of Machinery, by Prof. 
F. Jenkin, 381, 563. 
Graphic Method applied to the De- 
termination of the Efficiency of a 
Direct-acting Steam Engine, by 
Professor Fleeming Jenkin, 563. 
Graphitoid, The Preparation and Pro- 
perties of, by R. M. Morrison, 721. 
Grieve (G. J. P.) on the Properties of 
the Perigon Versor, 149. 
Guthrie (Colonel Seton), Notice of 
Death of, 4. 
Harmonica! Progression, Sum of a, 
361. 
Harmonies (Imperfect), by Sir Wm. 
Thomson, 602. 
Hartley (Sir Charles A.), Works for 
the Improvement of the Danube, 
142. 
Harvey (Sir George), Obituary Notice 
of, 205. 
Hawaiian Islands, Volcanoes of, by J. 
W. Nichol, 113. 
Heat. — On the Effect of Heat on In- 
fusible Palpable Powders, by Pro- 
fessor Tait, 298. 
On some Effects of Heat on 
Electrostatic Attraction, by Profes- 
sor Tait, 302. 
On an Effect of Heat in Elec- 
trostatic Action, by Prof. Tait, 415. 
On the Action of Heat on Some 
Salts of Trimethyl-Sulphine, by 
Professor Crum Brown and J. 
Adrian Blaikie, 565, 712. 
Heddle (Professor), The Mineralogy 
of Scotland, Chap. I., Rhombohedral 
Carbonates, 144; Chap. II., Ortho- 
clase, Albite, &c., 393 ; Chap. III., 
The Garnets, 550 ; Chap. IV., 
Augite, Hornblende, and Serpen- 
tinous Change, 595. 
Helmholtz (H.), His Simple Circular 
Ring, 68. 
Holopus, The Structure and Relations 
of the genus Holopus, by Sir C. 
Wyville Thomson, 405. 
Home (David Milne) delivers Opening 
Address for Session 1875-76, 2. 
on the Parallel Roads of 
Lochaber, 159. 
Third Report of the Society’s 
Boulder Committee, 170. 
Fourth Report of Boulder 
Committee, 660. 
Remarks by, on Presenting 
the Boulder Committee’s Fourth 
Report, 692. 
Homer, Colour-Sense in, 533. 
Horn. See French Horn. 
Hornblende, by Professor Heddle, 595. 
Hail and Snow at Oxford, by Alex. 
Buchan, M.A., 135. 
Hannay (J. B.) on a Method of De- 
termining the Cohesion of Liquids, 
526. 
Handyside (Dr P. D.) on the Ana- 
tomy of a Recent Species of Polyo- 
don, the Polyodon gladius (Martens) , 
660. 
VOL. IX. 
Iceland, Volcanic Eruptions of, in 
1874 and 1875, by Captain Burton, 
44. 
Identity. — Note on an Identity, by 
Prof. Tait, 416. 
Infinitude of Operations, by T. Muir, 
359. 
Infusible Palpable Powders. See 
Powders. 
5 i 
