CONTENTS 



CHAPTER PAGES 



Preface and Introduction - - v — xiii 



By the Editor. 

 Addenda _____ xv jj 



List of Charts ----- xviii 



I. The Air - - - - • . - i 



By H. R. Mill, D.Sc, LL.D., Director of the British 

 Rainfall Association ; and D. Wilson Barker, 

 R.N.R., F.R.S.E., Captain Superintendent of the 

 Nautical Training College, H.M.S. Worcester. 



II. The Water - - - - - 26 



By H. N. Dickson, M.A., D.Sc, Professor of Geog- 

 raphy in University College, Reading ; and D. J. Mat- 

 thews, Hydrographer to the Marine Biological 

 Association and to the Board of Agriculture for 

 Ireland (Fisheries Branch) ; with an Outline of 

 Oceanic Circulation by the Editor. 



III. The Shore - - - - 65 



A. TROPICAL SHORE COLLECTING - - 65 



B. CORAL REEFS AND ISLANDS - - 82 



C. HINTS FOR TROPICAL OUTFIT - - IO5 



By J. Stanley Gardiner, M.A., F.R.S., Professor of 

 Zoology in the University of Cambridge. 



IV. The Plants - - - - - 113 



A. FLOATING PLANTS - - - - II3 



By V. H. Blackman, M.A., Professor of Plant 

 Physiology and Pathology, Imperial College of 

 Science and Technology. 



B. FIXED PLANTS . * 126 

 By Mrs. A. Weber — van Bosse, Ph.D. 



xv 





