Yi 
CONTENTS. 
Description of the Plant which produces the Ordeal Bean of Cala- 
bar. By Professor Balfour, ..... 265 
On the Capture of Whales with the aid of Poison. By Dr Christison, 2 70 
Notice regarding the Branchial Sac of the Simple Ascidise. By 
Andrew Murray, Esq , . . . . .271 
On the Action of Uncrystallised Films upon Common and Polarised 
Light. By Sir David Brewster, K.H., F.R.SS. Lond. and Edin., 2 73 
On Mr Darwin’s Theory of the Origin of Species. By Andrew 
Murray, Esq., ...... 2 74 
On the utmost Horizontal Distance that can be Spanned by a Chain 
of a given material. By Edward Sang, Esq., . . .275 
On the Climate of Edinburgh for Fifty- six Years, from 1795 to 
1850, deduced principally from Mr Adie’s Observations ; with 
an Account of other and Earlier Registers. On the Climate of 
Dunfermline, from the Registers of the late Rev. Henry Fergus. 
By Professor J. D. Forbes, ..... 293 
On the Mountain Limestone and Lower Carboniferous Rocks of the 
Fifeshire Coast. By the Rev. Thomas Brown. Communicated 
by Professor Allman, ...... 298 
On an apprehended Depreciation of Money arising from New Sup- 
plies of Gold. Bjr Patrick James Stirling, F.R.S.E., . . 301 
On the Chronology of the Trap-Rocks of Scotland. By Archibald 
Geikie, Esq., F.G.S., of the Geological Survey of Grea.t Britain. 
Communicated by Robert Chambers, Esq., . . 309 
Letter from the Rev. Dr Livingstone, F.R.S., to Dr Lyon Play- 
fair, C.B., . . . • . . .311 
On the Solidification of Limes and Cements. By George Robert- 
son, C.E., ....... 314 
On Zinc-Methyl. By J. A. Wanklyn, Esq.. . . . 315 
Notes of the Dissection of a Female Beaver. By John Cleland, 
M.D., Demonstrator of Anatomy, University of Edinburgh. 
Communicated by Dr Douglas Maclagan, . . .318 
On the Thyroid Gland in the Cetacea, with Observations on the 
Relations of the Thymus to the Thyroid in these and some other 
Mammals. By William Turner, M.B. Lond., Senior Demon- 
strator of Anatomy, University of Edinburgh. Communicated 
by Professor Goodsir, . . . . . .319 
Notice on the Boring of the Pholalidae. By Alexander Bryson, 
Esq., President of the Royal Physical Society, . .321 
On the Birds of Linlithgowshire. By the Rev. John Duns, F.R.S.E, 
Torphichen, ..... . 323 
On an Unusual Drought in the Lake District in 1859. By John 
Davy, M D., F.R.SS. Lond. and Edin., . . . 324 
On the Constitution of the Essential Oil of Cajeput. By Mr 
Maximilian Schmidl, Assistant to Dr T. Anderson, University of 
Glasgow, ....... 326 
On the Action of Chlorine on Citric Acid. Hexachlorinated Acetone. 
By John Galletly, Esq., . . . . .327 
Notice of a Panoramic Sketch of Kashmir, recently received from 
India. By Professor C. Piazzi Smyth. . . . 332 
