77-2 
Index. 
Integrals. — On Some Definite In- 
tegrals, by Professor Tait, 594. 
Integrability, Vector Conditions of, 
by Professor Tait, 527. 
Integrating by Mechanism the General 
Linear Differential Equation of 
Second Order, by Prof. Tait, 118. 
Integrator, Prof. James Thomson’s, 138. 
Iodine, Action of Chlorides of, upon 
Acetylene and Ethylene, 588. 
Isomorphous Salts, The Crystallisa- 
tion of, 732. 
Isothermal Surfaces, by Prof. Tait, 170. 
Jardine (Sir William), Obituary No- 
tice of, 20. 
Jenkin (Professor Fleeming) on a 
Stable and Flexible Arch, 151. 
on Graphic Methods of deter- 
mining Efficiency of Machinery, 381. 
Application of the Graphic 
Method to the determination of the 
Efficiency of a Direct-Acting Steam- 
Engine, 563. 
Considers M. Gott’s and Pro- 
fessor Bell’s Explanation of the 
Action of Telephone to be not 
Erroneous, 570. 
Remarks on the Phonograph, 
579. 
on the Wave Forms of Articu- 
late Sounds, 582, 714. 
on the Wave Forms of the 
Vowel Sounds produced by Pro- 
fessor Crum Brown’s Apparatus, 723. 
Keddie (William), Obituary Notice 
of, by Professor Balfour, 520. 
Kelland (Professor) contributes Obit- 
uary Notice of W. H. Fox Talbot, 
512. 
Kekule (August) elected an Honorary 
Fellow, 43 
Kidney, On some Physical Experi- 
ments relating to the Function of 
the, byDavidNewman, Glasgow, 648. 
Knots. Theorem of Intersection of 
Two Plane Curves, by Prof. Tait, 237. 
— On the Measure of Beknot- 
tedness, by Professor Tait, 289. 
On Links, by Prof. Tait, 321. 
Professor Tait’s Problem of 
Arrangement, 382. 
On Amphicheiral Forms and 
their Relations, by Prof. Tait, 391. 
On a New Method of Investi- 
gating the Properties of, 403. 
— Additional Remarks on, 405. 
Knott (C. G.) on the Thermo-Electric 
Properties of Cobalt, &c., 170, 421. 
on the Thermo-Electric Pro- 
perties of Charcoal, 579. 
— on Thermal Conductivity of 
Gas Coke, 333. 
on Currents produced by Con- 
tact of Wires, 333. 
Kolbe (Herman) elected an Honorary 
Fellow, 43. 
Kummer (Ernst Eduard) elected an 
Honorary Fellow, 43. 
Laboratory Notes, by Professor Tait, 
118. 
Language, On the Origin of, by Pro- 
fessor Blackie, 98. 
Latin Address presented by the So- 
ciety’s Deputation to the Univer- 
sity of Upsala, 526. 
Laycock (Professor Thomas), Obit- 
uary Notice of, 223. 
Leopold (Prince), Remarks by, 30. 
Le Sage, Ultra-Mundane Particles of, 
415. 
Letts (Dr E. A.) on a Glass Digester 
in which to heat Substances under 
Pressure, 139. 
Leucoline Series, New Bases of, by 
G. Carr Robinson, 732. 
Le Verrier (Urbain Jean Joseph), 
Obituary Notice of, 489. 
Lightning, Hail, and Snow at Oxford, 
by Alex. Buchan, M.A., 135. 
Lindsay (Dr Lauder) on the Auri- 
ferous Quartz of Wanlockhead, 579. 
Linear Differential Equation of 
Second Order, by Professor Tait, 
93, 118. 
Links, by Professor Tait, 321. 
Linlithgow, Saline Water from Vol- 
canic Rocks of, 367. 
Liouville (Joseph) elected an Honorary 
Fellow, 43. 
Liquid. — On Two-Dimensional Ap- 
proximately Circular Motion of a 
Liquid, by Sir William Thomson, 
98. 
Liquids, Method of Determining the 
Cohesion of, by J. B. Hannay, 526. 
Lochaber, On the Parallel Roads of, 
by David Milne Home, LL.D., 159. 
Logan (Sir William Edmund), Obitu- 
ary Notice of, 9. 
Login (Thomas), Obituary Notice of, 
205. 
Lyell (Sir Charles), Obituary Notice 
of, 6. 
