ANNUAL MEETINGS: PLACES AND DATES, PRESIDENTS, ATTENDANCES,

RECEIPTS, SUMS PAID ON ACCOUNT OF GRANTS FOR SCIENTIFIC

PURPOSES (1831-1924)

X

REPORT OF THE COUNCIL TO THE GENERAL COMMITTEE (1923-24)........ xiv

BRITISH ASSOCIATION EXHIBITIONS.

xviii

GENERAL MEETINGS, PUBLIC LECTURES, ETC., AT TORONTO...

xviii

Prevention of Disease. By Major-Gen. Sir D. BRUCE

1

SECTIONAL PRESIDENTS' ADDRESSES:

A. The Analysis of Crystal Structure by X-Rays. By Prof. Sir W. H.

BRAGG

34

53

B.-Chemistry and the State. By Sir ROBERT ROBERTSON

C.-Geology in the Service of Man. By Prof. W. W. WATTS.... . . . 89

D.-Construction and Control in Animal Life. By Prof. F. W. GAMBLE 109

E.-Inter-racial Problems and White Colonization in the Tropics.

By Prof. J. W. GREGORY

125

F.-A Retrospect of Free Trade Doctrine. By Sir W. ASHLEY

G.-A Hundred Years of Electrical Engineering. By Prof. G. W. O.

HOWE...

148

....

178

H.-Health and Physique through the Centuries. By Dr. F. C.

SHRUBSALL

190

I.-Progress and Prospects in Chemotherapy. By Dr. H. H. DALE.. 211

J.-Purposive Striving. By Prof. W. MCDOUGALL

PAGE

226

K.-Physiological Aspects of Parasitism. By Prof. V. H. BLACKMAN 233

L.—Academic Freedom in Universities. By Principal E. BARKER .. 247

M.—Present-day Problems in Crop Production. By Sir J. Russell 256

REPORTS ON THE STATE OF SCIENCE, ETC.

270

SECTIONAL TRANSACTIONS

358

REFERENCES TO PUBLICATION OF COMMUNICATIONS TO THE SECTIONS.... 464

OFFICIAL JOURNEYS

470

CONFERENCE OF DELEGATES OF CORRESPONDING SOCIETIES

490

LIST OF PAPERS, 1923, ON ZOOLOGY, BOTANY, AND PREHISTORIC

ARCHEOLOGY OF THE BRITISH ISLES. By T. SHEPPARD

494

INDEX

555

of Science.

OFFICERS & COUNCIL, 1924-25.

PATRON.

HIS MAJESTY THE KING.

PRESIDENT.

Major Gen. Sir DAVID BRUCE, A.M.S., K.C.B., D.Sc., LL.D., F.R.S. PRESIDENT ELECT FOR THE SOUTHAMPTON MEETING Professor HORACE LAMB, D.Sc., LL.D., F.R.S.

H.E.

VICE-PRESIDENTS FOR THE TORONTO MEETING.

the GOVERNOR-GENERAL OF CANADA (Rt. Hon. LORD BYNG OF VIMY, G.C.B., G.C.M.G.).

His Hon. the LIEUTENANT-GOVERNOR
OF ONTARIO (Col. HENRY COCK-
SHUTT).

Rt. Hon. the PRIME MINISTER OF
CANADA (W. L. MACKENZIE KING,
C.M.G., LL.D.).

The Hon. the SPEAKER OF THE HOUSE
OF COMMONS (Hon. RODOLPHE
LEMIEUX).

The Hon. the HIGH COMMISSIONER FOR
CANADA (P. C. LARKIN).

The Hon. the PRIME MINISTER AND
MINISTER OF EDUCATION, ONTARIO
(G. HOWARD FERGUSON, LL.B.).
The CHANCELLOR OF THE UNIVERSITY
OF TORONTO (Hon. Sir WILLIAM
MULOCK, K.C.M.G., K.C., LL.D.).

VICE-PRESIDENTS ELECT FOR
H.R.H. PRINCESS BEATRICE (Governor
and Captain-General of the Isle of
Wight).

The LORD-LIEUTENANT OF THE COUNTY
OF HANTS (Major-Gen. the Rt. Hon.
J. E. B. SEELY, C.B., C.M.G.,
D.S.O., T.D., M.P.).

His Worship the MAYOR OF SOUTH

AMPTON.

The LORD BISHOP OF WINCHESTER (the
Rt. Rev. F. T. WOODS, D.D.).
The LORD BISHOP OF PORTSMOUTH (the
Rt. Rev. W. T. COTTER).
The Rt. Hon. LORD SWAYTHLING.
Lord APSLEY, D.S.O., M.C., M.P.
Brig. Gen. the Rt. Hon. LORD MON-
TAGU OF BEAULIEU, K.C.I.E., C.S.I.,
F.Z.S., V.D., D.L.

His Worship the MAYOR OF TORONTO (W. W. HILTZ).

OF

The CHAIRMAN OF THE BOARD
GOVERNORS, UNIVERSITY OF TORONTO
(Rev. Canon H. J. CODY, B.D.,
LL.D.).

The PRESIDENT OF THE UNIVERSITY
OF TORONTO (Sir ROBERT FALCONER,
K.C.M.G., D.Litt., LL.D.).

The PRESIDENT OF THE ROYAL CANADIAN
INSTITUTE (Prof. J. C. FIELDS,
Ph.D., F.R.S.).

The PRESIDENT OF THE CANADIAN
NATIONAL RAILWAYS (Sir HENRY W.
THORNTON, K.B.E.).

The PRESIDENT OF THE CANADIAN
PACIFIC RAILWAY (E. W. BEATTY).
The CHAIRMAN OF THE LOCAL GENERAL
AND EXECUTIVE COMMITTEE (Prof.
J. C. MCLENNAN, O.B.E., Ph.D.,
D.Sc., LL.D., F.R.S.).

THE SOUTHAMPTON MEETING.
Col. E. K. PERKINS, C.B.E., V.D.,
M.P., D.L.

Sir GEORGE A. COOPER, Bart., V.D.,
D.L.
Lieut.-Col.
M.P., D.L.

WILFRID W. ASHLEY,

Sir WYNDHAM PORTAL, Bart., F.S.A.,
D.L.

The PRESIDENT OF THE UNIVERSITY
COLLEGE OF SOUTHAMPTON (C. G.
MONTEFIORE, M.A., D.D.).
The PRINCIPAL OF THE UNIVERSITY
COLLEGE OF SOUTHAMPTON (KENNETH
H. VICKERS, M.A.).