CONTENTS. 
PAGE 
Election of Office-Bearers, Session 1901-2, 1 
Chairman’s Opening Address. By the Hon. Lord M‘Laren, Vice- 
President , , ........ 2 
On an Instrument for Trisecting any Angle. By Jas. N. Miller. 
Communicated by Professor Chrystal. Issued separately Feb- 
ruary 12, 1902, ....... 7 
Note on the Mathematical Theory of Miller’s Trisector, and its 
Relation to other Solutions of the Problem of Trisection. By 
Professor Chrystal. Issued separately February 12, 1902, . 9 
On the Relation of Miller’s Trisector to the Quartic Trisectrix, 
with a Description of a Seven-bar Lima 9 onograph. By Pro- 
fessor Chrystal. Issued separately February 17, 1902, . . 17 
The Condition of the Iron in the Spleen. By William Brodie 
Brodie, M.D., F.R.S.E., Muirhead Demonstrator of Physiology in 
the University of Glasgow. Issued separately February 17, 1902, 21 
A Theoretical Representation leading to General Suggestions bear- 
ing on the Ultimate Constitution of Matter and Ether. By 
John Fraser, Ordnance Survey. Communicated by Professor 
Chrystal. Issued separately February 21, 1902, . . 26 
On the Existence within the Liver Cells of Channels which can 
be directly injected from the Blood-Vessels. By E. A. Schafer. 
Issued separately March 8, 1902, ... 65 
Quaternion Binaries : an Extension of Quaternions to give an 
Eight-element System applicable to Ordinary Space. By Dr 
W. Peddie. Issued separately March 8, 1902, . . .70 
Certain Considerations regarding Algol Variation, with special 
reference to C.P.D. — 41° # 4511. By Alexander W. Roberts, 
D.Sc., F.R.A.S. (With Two Plates.) Issued separately March 
31,1902, . . . . . . .71 
Suggested Modifications of the Sign of Equality for use in 
Chemical Notation. By Hugh Marshall, D.Sc. Issued sep- 
arately March 21, 1902, . . . . . .85 
The Action of Silver Salts on Solutions of Ammonium Persulphate. 
By Hugh Marshall, D.Sc., and J. K. H. Inglis, M.A., B.Sc. 
Issued separately March 31, 1902, . . . .88 
Magnetic Shielding in Hollow Iron Cylinders. By James Russell. 
(Abstract.) Issued separately March 31, 1902, . . .94 
A New Specifying Method for Stress and Strain in an Elastic 
Solid. By Lord Kelvin. Issued separately April 1, 1902, . 97 
