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Observations on the Theories of Vowel Sounds. By John G. M‘Kendrick, 
Professor of Physiology in the University of Glasgow, . . .71 
On the Derivation of the Curves of Vowel Sounds by means of Micro- 
scopical Research of their Phonograms. By J. D. Boeke, Alkmaar, 
Holland. (Presented by Professor M'Kendrick), . . .88 
On the Fourierian Analysis of Phonographic Tracings of Vowels. By R. 
J. Lloyd, Doc. Lit., etc., Liverpool, . . . . .97 
On the Thermodynamics of Volta-contact Electricity. By the Right 
Hon. Lord Kelvin, G.C.V.O., etc., . . . . .118 
On Thermodynamics founded on Motivity and Energy. By the Right 
Hon. Lord Kelvin, G.C.V.O., F.R.S., F.R.S.E., etc., . . . 126 
On Electrical Equilibrium between Uranium and an Insulated Metal 
in its Neighbourhood. By the Right Hon. Lord Kelvin, G.C.V.O., 
P.R.S.E., etc!; J. Carruthers Beattie, D.Sc., F.R.S.E.; and M. Smolu- 
chowski de Smolan, Ph.D., . . . . . .131 
A Relation between Permanents and Determinants. By Thomas Muir, 
LL.D., . . . . . • . . . .134 
Heat of Combination of Metals in the Formation of Alloys. By Alex- 
ander Galt, D.Sc., ....... 137 
A Problem of Sylvester’s in Elimination. By E. J. Nanson, M.A. 
(Communicated by Professor Chrystal), . . . . .150 
On the Ellipse-Glissette Elimination Problem. By E. J. Nanson. 
(Communicated by Professor Chrystal), . . . . .158 
On the Directions which are most altered by a Homogeneous Strain. 
By Professor Tait. (With a Plate), ..... 162 
On the Generalization of Josephus’ Problem. By Professor Tait, . 165 
On the Nature of “Palladium Hydrogen.” By John Shields, D.Sc., 
Ph.D., Davy-Faraday Laboratory, Royal Institution, London, . . 169 
Some Contributions to the Spectroscopy of Haemoglobin and its 
Derivatives. By David Fraser Harris, M.D., C.M., B.Sc. (Lond.), 
“Muirhead” Demonstrator of Physiology in the University of 
Glasgow, 187 
Note on the Effect of Mixed Diet as Regards Salivary Digestion. By 
W. G. Aitchison-Robertson, M.D., D.Sc., F.R.C.P.E., . . . 209 
On Torsional Oscillations of Wires. . By Dr W. Peddie, . . . 212 
The Strains produced in Iron, Steel, Nickel, and Cobalt Tubes in the 
Magnetic Field. Part II. By Professor C. G. Knott, D.Sc., F.R.S.E., 216 
On Consonant-Sounds. By R. J. Lloyd, D. Lit., M.A., Hon. Reader in 
Phonetics at the University College, Liverpool. (With a Plate), . 219 
Note on Crystalline Hydrates of Sodium Thiosulphate. By W. W. 
Taylor, M.A., B.Sc. (Communicated by Professor Crum Brown), . 248 
The Freezing-Point of Aqueous Solutions of Sodium Mellitate. (Pre- 
liminary Note.) By W. W. Taylor, M.A., B.Sc. (Communicated by 
Professor Crum Brown), ...... 252 
