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CONTENTS. 
PAGE 
SMGERS AND (COUNCIL, 919 394—35) Ss . 6). bie. PR w. eye be le dole dele Lek v 
SECTIONAL OFFICERS, ABERDEEN MEETING, 1934.......---eeeeeeee> ix 
ANNUAL MEETINGS: PLACES AND DATES, PRESIDENTS, ATTENDANCES, 
REcEIPTS, SuMS PaID ON ACCOUNT OF GRANTS FOR SCIENTIFIC 
RAURBOSESA (MGS T—TORAN IN cratet eis vaysonns arsEt «renee > payee SET COT TEC xii 
NARRATIVE OF THE ABERDEEN MEETING ...........0 ces cece eeeaee XVil 
REPORT OF THE COUNCIL TO THE GENERAL COMMITTEE (1933-34) .. XX 
GENERAL 'TREASURER’S ACCOUNT (1933-34) ...-eeeee cece eeeeeeces XXX 
RESEARCH COMMITTEES (1934=35). 5.022 s0cccccrsceecscevecsceens xiii 
RESOLUTIONS AND RECOMMENDATIONS (ABERDEEN MEETING)........ xl viii 
THE PRESIDENTIAL ADDRESS : 
The New World-Picture of Modern Physics. By Sir James H. 
LRAON SAR ESERRE GS Semmens aA tas. ctl ete. oie) are sib Deere hitin Mo sheets eeneto ws I 
SECTIONAL PRESIDENTS’ ADDRESSES : 
Theories of Light. By Prof. H. M. Macponatp, O.B.E.,F.R.S. 19 
Physical Methods in Chemistry. By Prof. T. M. Lowry, 
CGA a ee LAER Sc aeete ven are int conga ev ehestayso aris wae ee Rehsee iG oa cae ae CARRE 29 
*Plant Life and the Philosophy of Geology. By Prof. W. T. 
REE CORIO sac ere era AS oy ge rs UR ol abe 49 
The Study of Behaviour. By Dr. E. S. RussEtt............. 83 
Co-operative Research in Geography ; with an African Example. 
iBbyserot A. G.'OCIEVIE, OBE ac. st ha aussie see orde e s 99 
The Future of Rail Transport. By H. M. Hatitswortu, C.B.E. 119 
Sources of Cheap Electric Power. By Prof. F. G. Batry...... 145 
The Use and Origin of Yerba Maté. By Capt. T. A. Joyce, 
ORB SE as srars.ss 2. <CRRSRILEEREc DRI 2 RAE Se Ls oe Sree 161 
*Normal and Abnormal Colour Vision. By Prof. H. E. Roar 169 
*Psychology and Social Problems. By Dr. SHEPHERD DAWson’ 183 
Some Aspects of Forest Biology. By Prof. A. W. BorrHwick, 
O.B.E. 
BE Ry! TORII EEE Sra 21a 0d a Teh ah ge. 195 
Science at the Universities : Some Problems of the Present and 
Hutures (By H. Te Tizarp, C\BH B.R.St.. anges Net ae on 207 
Scientific Progress and Economic Planning in relation to Agri- 
culture and Rural Life. By Prof. J. A.S. Watson ...... 223 
* See note on following page. 
