* CONTENTS OF THE PIEST VOLUME 



CHAPTER PAGE 



XX. SCIENCE TEACHING: EXAMINATIONS . . . .385 



XXI. SCIENCE ORGANISATION: SOCIETIES, JOURNALS, AND 



REWARDS ........ 405 



XXII. MISCELLANEOUS, 1850-1860 421 



XXIII. LETTERS TO DARWIN, 1843-1859 436 



XXIV. ON SPECIES 465 



XXV. THE MAKING or THE ' ORIGIN ' : SCIENCE AND FRIEND- 



SHIP 486 



XXVI. PUBLICATION OP THE ' ORIGIN ' AND THE ' INTRODUCTION 



TO THE TASMANIAN FLORA' . , . 504 



XXVII. THE JOURNEY TO PALESTINE AND THE WORK OF 1860 528 



