Ill 



CONTENTS. 



PAGE 



Officers and Council, 1927-28 v 



Local Officers, Leeds, 1927 vii 



Sections and Sectional Officers, Leeds, 1927 vii 



Annual Meetings : Places and Dates, Presidents, Attendances, 

 Receipts, Sums Paid on account of Grants for Scientific 

 Purposes (1831-1927) x 



Report of the Council to the General Committee (1926-27) .... xiv 



General Meetings, Public Lectures, etc., at Leeds xviii 



External Lectures xx 



General Treasurer's Account (1926-27) : xxi 



Research Committees (1927-28) xxvi 



Resolutions and Recommendations (Leeds Meeting) xxxi 



The Presidential Address : 



Darwin's Theory of Man's Descent as it stands to-day. By Prof. Sir 



Arthur Keith, F.R.S 1 



Sectional Presidents' Addresses : 



A.— The Outstanding Problems of Relativity. By Prof. E. T. 



Whittaker, F.R.S 16 



B. — Co-ordination Compounds. By Dr. N. V . Sidgwick, F.R.S. .. 27 



C. — The Tertiary Plutonic Centres of Britain. By Dr. Herbert H. 



Thomas, F.R.S 43 



D. — The Ancient History of Sponges and Animals. By Dr. G. P. 



Bidder 58 



E. — Some Problems of Polar Geography. By Dr. R. N. Rudmose 



Brown 75 



F. — Rationalisation of Industry. By Prof. D. H. Macgregor . . 98 



a 2 



