Vlll 
CONTENTS, 
Professor of Natural Philosophy in the University of Edin- 
burgh, ....... 413 
On the Food of the Royal Engineers stationed at Chatham. By 
Dr Lyon Playfair, ...... 421 
Notice of a large Calcareous Stalagmite brought from the Island 
of Bermuda in the year 1819, and now in the College of Edin- 
burgh. By David Milne Home, Esq. of Wedderburn, . 423 
Meteorological Observations on Storms of Wind in October, 
November, and December of 1863. By Alexander Buchan, 
M.A., Secretary to the Scottish Meteorological Society, . 428 
On the Use of Graphic Representations of Chemical Formula. 
By Dr A. Crum Brown, ..... 429 
On Confocal Conics. By H. Fox Talbot, Esq., . . . 432 
On the Celtic Topography of Scotland. By W. F. Skene, Esq., . 432 
On the Bands produced by the Superposition of Paragenic Spectra 
formed by the Grooved Surfaces of Glass and Steel. Part II. 
By Sir David Brewster, K.H., F.R.S., . . . 434 
Remarks on the Flora of Otago, New Zealand. By W. Lauder 
Lindsay, M.D., F.L.S., Hon. Member of the Philosophical 
Institute of Canterbury, New Zealand, . . . 434 
On the Composition of some Old Wines. By Douglas Maclagan, 
M.D., Curator Roy. Soc. Edin,, .... 437 
Preliminary Note on the Colouring Matter of Peziza ceruginosa. 
By Dr A. Crum Brown, ..... 439 
On the Motion of Interpenetrating Media. By Alfred R. Catton, 
B.A., Assistant to the Professor of Natural Philosophy in the 
University of Edinburgh, . . . . . .441 
Some Observations on the Cuticle in relation to Evaporation. By 
John Davy, M.D., F.R.SS. Lond. and Edin,, . . . 443 
On Water, Hydrogen, Oxygen, and Ozone. By John Macvicar, 
D.D. Communicated by Dr E. Ronalds, . . .444 
Note on the Behaviour of Iron Filings, strewn on a vibrating 
plate, and exposed to the action of a magnetic pole. By 
Professor Tait, ...... 444 
On some Congenital Deformities of the Human Skull. By Wm. 
Turner, M.B., F.R.S.E., . . . . .444 
On Saturated Vapours. By W. J. Macquorn Rankine, C.E., 
LL.D , F.R SS, Lond. and Edin., &c., . . . 449 
On the Ganglia and Nerves of the Heart, and their connection 
with the Cerebro-Spinal and Sympathetic Systems in Mammalia. 
By James Bell Pettigrew, M.D., Edinburgh, Assistant in the 
Museum of the Royal College of Surgeons of England, . 452 
Opening Address, Session 1865-66. By Sir David Brewster, 
President, ....... 458 
Address on the Forces concerned in the Laying and Lifting of 
Deep-Sea Cables. By Professor William Thomson, . . 495 
On the Dynamical Theory of Heat. Part VII. By Professor 
William Thomson, ...... 510 
The “ Doctrine of Uniformity ” in Geology briefly refuted. By 
Professor William Thomson, . . . . .512 
