PROCEEDINGS 
OF THE 
ROYAL SOCIETY OF EDINBURGH. 
SESSION 1911-12. 
Parti.] VOL. XXXII. [Pp. 1-112. 
CONTENTS. 
NO. PAGE 
I. The Freezing-Points of Rhombic Sulphur and of Soufre 
Nacre. By Alexander Smith and C. M. Carson, . . 1 
(. Issued separately January 10, 1912.) 
II. The Preparation and Properties of Basic Copper Nitrate and 
the Hydrates of Copper Nitrate. By Alexander Charles 
Cumming and Alexander Gemmell, ... 4 
(. Issued separately January 10, 1912.) 
III. On the Reduction of Ferric Iron (1) by Sulphurous Acid and 
(2) by Zinc Dust. By Alexander Charles Cumming and 
E. W. Hamilton Smith, . . . . .12 
(. Issued separately January 10, 1912.) 
IV. Note on a Perforated Silica Plate for excluding Flame Gases 
from a Crucible during Ignition. By Alexander Charles 
Cumming, . . . . . . .17 
{Issued separately January 31, 1912.) 
V. Observations on the Body Temperature of some Diving and 
Swimming Birds. By Sutherland Simpson, M.D., D.Sc. 
(From the Physiological Laboratory, Medical College, 
Cornell University, Ithaca, N.Y., U.S.A.), . . .19 
{Issued separately February 16, 1912.) 
VI. Note upon the Structure of Ternary Alloys. By G. H. 
Gulliver, B.Sc., A.M.I.Mech.E., Lecturer in Engineering 
in the University of Edinburgh. (With One Plate), . 36 
{Issued separately February 16, 1912.) 
[' Continued on page iv. of Cover 
EDINBURGH : 
Published by ROBERT GRANT & SON, 107 Princes Street, and 
WILLIAMS & NORGATE, 14 Henrietta Street, Coyent Garden, LondonS ; 4Go f?g j / ■ ^ * 
MDCCCCXIT, 
Price Seven Shillings and Sixpence. 
