iv CONTENTS 



PAGE 



H. — Evolution in Material Culture. By Dr. H. S. Harbison 137 



I.— The Synthetic Activities of the Cell. By Prof. H. S. Raper . . 160 



J. — The Foundations of Child Psychologj^ and their Bearing on 

 Some Problems of General Psychologj'. By Prof. C. W. 



Valentine 176 



K. — Present-day Problems in Taxonomic and Economic Botany. 



By Dr. A. W. Hill 191 



L. — A Policy of Higher Education. By The Rt. Hon. Lord Eustace 



Percy 219 



JM. — Veterinary Science and Agriculture. By Dr. P. J. Du ToiT .... 229 



Reports on the State of Science, etc 244 



Sectional Transactions 293 



Discussion on The Validity of the Permian as a System 315 



Discussion on the Relation between Past Pluvial and Glacial 



Periods 371 



Evening Discourse on Wireless Echoes. By Prof. E. V. Appleton 426 



Evening Discourse on the Nitrogen Industry and our Food 



Supply. By Dr. R. E. Slade 4.34 



Conference of Delegates of Corresponding Societies 441 



References to Publication of Communications to the Sections .... 452 



Index 458 



