Contents. 
Vll 
On the Origin of the adaxially-curved Leaf- trace in the Filicales. By D. T. 
Gwynne- Vaughan, M.A., and R. Kidston, LL.D., F.R.S.L. and E. Issued 
separately August 12, 1908, ....... 
On the Theory of the Leaking Microbarograph ; and on some Observations made 
with a Triad of Dines-Shaw Instruments. By Professor Chrystal. Issued 
separately August 13, 1908, ....... 
On the “Negative” Viscosity of Aqueous Solutions. By Dr W. W. Taylor and 
T. W. Moore, M.A., B.Sc., Carnegie Research Scholar. Communicated by 
Professor Crum Brown. Issued separately August 13, 1908, 
On the Effects on the Metabolism of Chloroform administered by Different Channels. 
By D. Noel Paton, M.D. ( From the Physiological Laboratory of the University 
of Glasgow , and the Laboratory of the Royal College of Physicians , Edinburgh.) 
Issued separately August 15, 1908, ...... 
On the Rate of Elimination of Chloroform when administered by Different Channels. 
By Dorothy E. Lindsay and D. Noel Paton, M.D. ( From the Physiological 
Laboratory of the University of Glasgow.) Issued separately August 21, 1908, 
Algebra after Hamilton, or Multenions. By Alex. M‘Aulay, M.A., Professor of 
Mathematics and Physics, University of Tasmania, Hobart. Communicated by 
Professor C. G. Knott. Issued separately August 28, 1908, 
The Inca Bone : Its Homology and Nomenclature. By W. Ramsay Smith, D.Sc., 
M.B., C.M., Permanent Head of the Department of Public Health of South 
Australia. Issued separately August 29, 1908, ..... 
The Middle Cells of the Grey Matter of the Spinal Cord. By J. II. Harvey Pirie, 
B.Sc., M.D., M.R.C.P.Ed. Abstract of Thesis for the Degree of M.D. Edin. 
Univ., 1907. {From the Pathological Department of the Royal Infirmary , Edin- 
burgh.) Communicated by Dr Alexander Bruce. (With Two Plates.) Issued 
separately September 2, 1908, ....... 
On a Sensitive State induced in Magnetic Materials by Thermal Treatment. By 
James G. Gray, B.Sc., Lecturer on Physics in the University of Glasgow, and 
Alexander D. Ross, M.A., B.Sc., Assistant to the Professor of Natural Philosophy 
in the University of Glasgow. Part II. Communicated by Professor A. Gray, 
F.R.S. Issued separately September 1, 1908, . . . . . 
The Preparation of a Glass to Conduct Electricity. By Charles E. S. Phillips. 
Issued separately October 12, 1908, ...... 
Magnetic Quality in the most open Cubic Arrangement of Molecular Magnets. By 
Professor W. Peddie. Issued separately October 12, 1908, 
The Variation of Young’s Modulus under an Electric Current. By Henry Walker, 
M.A., B.Sc. Part II. Communicated by Professor J. G. MacGregor, F.R.S. 
Issued separately October 23, 1908, ...... 
The Theory of General Determinants in the Historical Order of Development up to 
1860. By Thomas Muir, LL.D. Issued separately November 6, 1908, . 
An Improved Method of Esterification. By G. E. Gibson, B.Sc. Issued separately 
November 6, 1908, ......... 
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