INDEX TO VOL. XV (1920— 1921) 



I. ARTICLES, ESSAYS, ESSAY-REVIEWS, CORRESPONDENCE 



AND NOTES 



PAGE 



Anthropology. A. G. Tnacker . . . . 43, 209, 387, 569 



Archagology in Egypt, British School of. W. M. Flinders Petrie . . 465 



Astronomy. H. Spencer Jones . . . . . 7, 177, 356, 531 



Awards for Medical Discovery. R. R. . . . . . 113,285 



Bose's Remarkable Work, Professor. . . . . . .114 



Botany. E. J. Salisbury ..... 31, 197, 380, 550 



British Association, Report on the Proceedings of Section A. A. O. 



Rankine .......... 461 



British Committee for aiding Men of Letters and Science in Russia . 645 

 British Microscopes and Microtomes and other Notes .... 458 



British Science Guild, The ........ 278 



Chemistry, Organic. P. Haas. .... 22, 192, 377, 544 



Chemistry, Physical. W. E. Garner .... 188, 373, 541 



Chemistry, Physical. W. C. McC. Lewis ...... 19 



Coincidence or Confirmation ? A Discovery Relating to Drayson's 



Centre of Polar Motion. A. H. Barley ..... 266 



Colloid Theory, A Short Review of. H. D. Murray .... 234 



Cooking and Vitamines. E. M. Delf . . . . . .601 



Crystallography. A. Scott ....... 194, 



Cycles and Super-cycles of Nature, The. W. E. Reynolds . . . 250 



Cy tological Problems arising from the Study of Artificial Parthenogenesis 



The. D. W. Cutler 



De Moivre's Theorem. Sir R. Ross. ..... 



Dead Darwinism ......... 



Deputation to the Air Ministry ...... 



Dikinz drops iz Eitchiz. R. R. 

 Do English People read ? O. A. C. . 

 Ductless Glands upon Amphibian Metamorphosis, Recent Work on the 

 Influence of the ........ 



Education. A. E. Heath ....... 



Education, The Triumph bf ...... . 



Eels ........... 



Electrons in Atoms and Molecules, Langmuir's Theory of the Arrange 

 ment of. S. C. Bradford ....... 



Enzyme Action, A Review of Recent Work on. R. J. S. McDowall 

 Evolution of Man and his Mind, The. T. Cherry 



Facial Beauty, The Significance of. C. F. Badcock . 



Geology. G. W. Tyrrell. ....... 



Geometry, A Psychological. F. R. Hoare .... 



Germany, Impressions of the New ...... 



Ghost Hypothesis, The. C. A. Richardson .... 



Gorgas, William Crawford. Sir R. Ross ..... 



Great Default, A. A. E. H. HUls 



Highways and Byways in the Theory of Numbers. L. J. Mordell 

 Holiday System, Our .....••• 



Ice Age, The Date of the. R. A. Marriott .... 



Ice-Age Question, The. A. H. Barley 



iii 



435 



627 

 469 

 123 



632 



287 



303 



46 

 469 

 472 



50 

 406 



74 



70 



24 



131 



471 

 107 



452 

 104 



647 

 632 



270 

 loi 



