viii Contents . 
PAGE 
Note on an Identity. By Professor Tait, . . . .416 
Appendix : — 
The Thermo-Electric Properties of Cobalt. By Messrs C.^G. 
Knott, J. Gordon MacGregor, and C. Michie Smith, . .421 
Notice of some Becent Atmospheric Phenomena. By Professor 
Tait, ........ 425 
On New and Little-known Fossil Fishes from the Edinburgh 
District. No. III. By R. H. Traquair, M.D., F.G.S., . 427 
On the Cranial Osteology of Rhizodopsis, and on some points in 
the Structure of Rhizodus. By Dr R. H. Traquair, . . 444 
Election of Office-Bearers, . . . . . .471 
Opening Address by the Vice-President, Principal Sir Alexander 
Grant, Bart., . . . . . . .472 
Remarks by Sir William Thomson on delivering the Makdougall- 
Brisbane Prize to Mr Buchan, ..... 486 
Report of the Deputation to Upsala. By Alexander Buchan, M.A., 521 
On a Method of Determining the Cohesion of Liquids. By J. B. 
Hannay, F.C.S., ....... 526 
Note on Vector Conditions of Integrability. By Professor Tait, . 527 
On Gladstone’s Theory of Colour-Sense in Homer. By Professor 
Blackie, ........ 533 
Note on a Geometrical Theorem. By Professor Tait, . . 533 
On the Tabulation of all Fractions whose values are between two 
prescribed limits. By Edward Sang, .... 536 
Can the Law of Multiple Proportions be demonstrated from 
Analytical Data ? By W. Dittmar, .... 536 
On the Solid Fatty Acids of Coco-Nut Oil. By G. Carr Robinson, . 537 
Suspension, Solution, and Chemical Combinations. By William 
Durham, ........ 537 
Note on the Surface of a Body in terms of its Mass. By Professor 
Tait, . . . . . . . .541 
On a White Sunbow. By Sir Robert Christison, Bart., Professor 
Tait, Mr J. Christison, Mr Buchan, and Dr Ferguson, . 542-48 
Letter on the Phonograph. By H. E. Rosevelt, . . . 548 
Address by Sir Wyville Thomson oil delivering the Neill Prize to 
Dr Traquair, ....... 549 
Chapters on the Mineralogy of Scotland. Chapter III. — The Garnets. 
By Professor Heddle, ...... 550 
On the Strength of the Currents required to work a Telephone , By 
Professor Tait, . . . . . . .551 
Experiments with the Telephone. By James Blyth. Communicated 
by Professor Tait, ....... 553 
On the Theory of the Telephone. By Professor George Forbes, . 555 
Some Experiments with the Telephone. By John G. M‘Ken- 
drick, M.D., ........ 558 
