CONTENTS— Continued 



Mathematics and Physics page 



Radioactive Substances and Their Radiations . . . ' . . . 17 



Address on Mathematics .......... '24 



A Shorter Geometry together with Solid Geometr)- ..... 24 



Algebra for Secondary Schools ......... ^4 



Solutions of the Examples in Loney's Plane Trigonometry .... 24 



Geometrical Drawing ........... 26 



Botany 



The Genus Iris ............ 1 



Herbals : Their Origin and Evolution 3 



Makers of British Botany .......... 4 



N.\TURE Study 



The Story of Our Trees .......... 5 



Lessons on Soil . . . . ... . . . . . . 27 



The Gateways of Knowledge .......... 27 



Zoology 



The Vertebrate Skeleton .......... it, 



Psychology 



Heredity and Memory ........... 23 



Ethnology 



Reports of the Cambridge Anthropological Expedition to Torres Straits, 



Vol. IV '17 



The Tribes of Northern and Central Kordofan . . . . . . ig 



Geography and Travel 



Map Projections ............ 18 



The Duab of Turkestan ........... 20 



A History of Geographical Discovery ........ 22 



Cambridge County Geographies ......... 23 



Educational Science 



The Growth and Means of Training the Mental Faculty . . . , 27 



Bibliography 



Royal Society Catalogue Subject Index, Vol. Ill 16 



Scientific and Literary Journals 



The Modem Language Review ......... 25 



The Journal of Agricultural Science ........ j-i 



The British Journal of Psychology ........ 25 



The Journal of Hygiene .......... 25 



The Journal of Genetics .......... 25 



The journal of Physiology .......... 25 



The Journal of Pharmacology . . . . . . . . 25 



The Biochemical Journal .......... 26 



Cambridge University 



Admissions to Peterhouse .......... 25 



