SCIENCE PROGRESS 



IN THE TWENTIETH CENTURY 



A QUARTERLY JOURNAL OF 

 SCIENTIFIC WORK AND THOUGHT 



NO. 30. OCTOBER 1913 



CONTENTS 



1. The Business Affairs of Science. 



2. The Sanitary Awakening of India. Sir Charles Pardey Lukis. 



3. Atomic Theory and Radioactivity. Sir Oliver Lodge. 



i. Novel Experiments Concerning Corrosion. Dr. J. Newton Friend. 

 3. The Disturbed Motion of an Aeroplane. W. Beverley. 



6. Stereo- Isomerism and Optical Activity. G. S. Agashe. 



7. Some Aspects of Geologic Time. H. S. Shelton. 



8. The Significance of the Piltdown Discovery. A. G. Thacker. 



9. I. Nature and Nurture in Mental Development. II. The Potentiality of 



the Child. Dr. F. W Mott. 



10. The Study of Heredity. Dr. Charles Walker. 



11. Dark Ground Illumination. S. R. Price. 



12. Scientific Spelling. I. Sir Harry Johnston: II. Sir Ronald Ross. 



13. "No Struggle for Existence," and other Reviews. 



14. The Nobel Prizes and other Notes. 



EDITOR 



SIR RONALD ROSS, K.C.B., F.R.S., N.L., 

 D.Sc, LL.D., M.D., F.R.C.S. 



LONDON 

 JOHN MURRAY, ALBEMARLE STREET, W. 



Price 5/- net 

 vol. v 



