vm 
Contents . 
page 
On Ferric Ferricyanide as a Reagent for Detecting Traces of Reducing 
Gases. By Professor Crum Brown, . . . .419 
On the Compressibility of Water, of Mercury, and of Glass. By 
Professor Tait, . . . . . . .419 
An Account of some Experiments which show that Fibrin-Ferment 
is absent from circulating Blood-Plasma, and which support the 
view, first advanced by Sir Joseph Lister, that the Blood has no 
spontaneous tendency to Coagulate. By Professor John Berry 
Haycraft, ........ 419 
On the Chemical Composition of the Water composing the Clyde 
Sea Area. By Adam Dickie, Esq., .... 422 
An Experimental Critique of the Chloroplatinate Methods for the 
Determination of Potassium, including a redetermination of the 
Constant Pt. By Professor Dittmar and Mr John M ‘Arthur, . 428 
Addition to Thermometer Screens. Part IY. By John Aitken, 
Esq., ........ 428 
On the Quotient of a Simple Alternant by the Difference-Product of 
the Variables. By Dr T. Muir, ..... 433 
Chairman’s Closing Address, ...... 446 
Minute of Meeting of Special Committee on the Victoria Jubilee 
Prize, 27th June 1887, ...... 449 
The Theory of Determinants in the Historical Order of its Develop- 
ment. By Dr T. Muir, M.A., ..... 452 
On the Conducting Paths between the Cortex of the Brain and the 
Lower Centres in relation to Physiology and Pathology. By D. J. 
Hamilton, M.B., F.R.C.S. Edin., F.R.S.E. , Professor of Pathology, 
University of Aberdeen. (Plates XIV., XV.), . . .519 
Donations to the Library, ...... 535 
Index, ......... 555 
Obituary Notices (see separate Index), . . . .561 
