CONTENTS 



LORD KELVIN : An Appreciation and a Portrait 



PAGE 



r, THE PHOTOGRAPHY OF COLOUR 349 



Chapman Jones. F.LC, F.C.S., etc. 



2. THE EFFECTS OF ENVIRONMENT AND NUTRITION 



ON FERTILITY 369 



F. H. A. Marshall, M.A., D.Sc. 



3. WORK UNDER PRESSURE AND IN GREAT HEAT . 378 



J. S. Haldane, M.D., F.RS. 

 (Illustrated.) 



4. THE GREAT SCANDINAVIAN OVERTHRUST . . 399 



J. W. Gregory, F.R.S. 

 (Illustrated.) 



5. THE REPAIR OF A NERVE 413 



W. D. Halliburton, M.D., F.R.S. 



(Illustrated.) 



