PROCEEDINGS 
OF THE 
ROYAL SOCIETY OF EDINBURGH: 
< ! ' j 
SESSION 1916-1-7. I'nH Muse' 
Part IV] 
YOL. XXXVII. 
[Pp. 305-412 
CONTENTS. 
NO. 
XVII. Observations on the Blood in Gas Poisoning. By James 
Miller, M.D., Captain R.A.M.C., and Harry Rainy, 
M.D., F.R.C.P.E., . 
{Issued separately October 12, 1917.) 
PAGE 
306 
XVIII. Vanishing Aggregates. By Professor William H. Metzler, 324 
(. Issued separately October 12, 1917.) 
XIX. The Bone-Cave in the Valley of Allt nan Uamh (Burn of 
the Caves), near InchnadamfF, Assynt, Sutherlandshire, 
By B. N. Peach, LL.D., F.R.S., and J. Horne, LL.D., 
F.R.S. With Notes on the Bones found in the Cave, by 
E. T. Newton, F.R.S. (With Four Plates and Six Text- 
Figures), . . . . . . . 327 
{Issued separately October 15, 1917.) 
XX. The Square Roots of a Linear Vector Function. By 
Frank L. Hitchcock. Communicated by The General 
Secretary, ...... 350 
{Issued separately December 10, 1917.) 
XXI. Contributions to the Knowledge of the Family Chermesidse. 
No. I : The Biology of the Chermes of Spruce and Larch 
and their Relation to Forestry. By H. M. Steven, B.Sc., 
Carnegie Research Scholar in Entomology, the University 
of Edinburgh. Communicated by Dr R. Stewart 
MacDougall, ...... 356 
{Issued separately January 15, 1918.) 
[ Continued on page iv of Cover, 
EDINBURGH: 
Published by ROBERT GRANT & SON, 107 Princes Street, and 
WILLIAMS & NORGATE, 14 Henrietta Street, Covent Garden, London. 
Price Six Shillings and Sixpence. 
