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CONTENTS. 
PAGE 
MREECRRSOANT) COUNCIL, 1924-25 6). 2. Pees i stare cis eisiv.s'e alevace.e wviee wiclere Vv 
MCATHOURITCERS, TORONTO, 1924 . 0. occ cet dece eds sce ceescaasoucvcss vii 
SECTIONS AND SECTIONAL OFFICERS, TORONTO, 1924 ..............000- Vili 
AnnuAL MrEeTines: PiLaces anp Datrsrs, PRESIDENTS, ATTENDANCES, 
Receipts, SuMS PAID ON ACCOUNT OF GRANTS FOR SCIENTIFIC 
FERRO SRST (LG lL Oe etc icies oitrann crs ars art, oie axaceseusie tow gadaggaronoieaeeamaes ane take x 
REPORT OF THE COUNCIL TO THE GENERAL ComMITTEE (1923-24)........ xiv 
BRITISH ASSOCIATION EXHIBITIONS. 2 2... f kee ccc eee e eens xviii 
GENERAL Meretines, Pusiic Lectures, ETc., AT TORONTO............. XVili 
GENERAL TREASURER’S ACCOUNT (1923-24) .......... cece cece eect eee xxi 
RASHARCH COMMITT HES (1924-25))0 5 osc S. bees sae o ns We tebe ace cwweces XXVi 
PTET PMHIUERG I Ce La iets Ss SAI ORE SSS s ba» Maus bala bls ae AR Soe oe XXxi 
RESOLUTIONS AND RECOMMENDATIONS (TORONTO MEETING) ........... Xxxii 
THE PRESIDENTIAL ADDRESS : 
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. 
PERM Peotan aig, checks Qaiche: ¢Aecb> Sts -t= ss otters meeaeerercieis chaveiris|s/s ws 34 
B.—Chemistry and the State. By Sir RoBERT ROBERTSON ....... 53 
C.— Geology in the Service of Man. By Prof. W. W. Warts....... 89 
D.—Construction and Controlin Animal Life. By Prof. F.W.GamBiE 109 
E.—Inter-racial Problems and White Colonization in the Tropics. 
eri, J, Wir GREGORY tain os beet aks Mewes Se ae 125 
F.—A Retrospect of Free Trade Doctrine. By Sir W. AsHitEy .... 148 
G.—A Hundred Years of Electrical Engineering. By Prof. G. W. 0. 
ETO WiHitargitl Forth aioe sth ates wi os ou ekolo CRM «. « omic Mlabe eOalbl Sateen. ore 178 
H.—Health and Physique through the Centuries. By Dr. F. C. 
SHITE Dipes SB AG Ot Gat BOC EOD OULU Gn mh Sonn hs Get. comap onc 190 
I.—Progress and Prospects in Chemotherapy. By Dr. H. H. Datz.. 211 
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