SCIENCE PROGRESS 



IN THE TWENTIETH CENTURY 



A QUARTERLY JOURNAL OF 

 SCIENTIFIC WORK AND THOUGHT 



NO. 38. OCTOBER 1915 



CONTENTS 



1. The Napier Tercentenary and the Invention of Logarithms. 



C. G. Knott, D.Sc, Royal Society of Edinburgh 



2. A Plea for Economy of Thought and Labour in the Mathe- 



matical Sciences by the Study of their History. W. Stott, 

 School of Tropical Medicine, Liverpool 

 8. The Solution of Equations by Operative Division. Part I., 

 Sir Ronald Ross, K.C.B., F.R.S., D.Sc. 



4. The Influence of Research on the Development of the Coal- 



Tar Dye Industry. Part I., F. A. Mason, B.A., Ph.D., Royal 

 College of Science, South Kensington, London 



5. On Instrumental Aids for Deafness. Prof. F. Woraack, 



B.Sc, M.B. 



6. Essay - Reviews : Human Palaeontology (A. G. Thacker, 



A.R.C.Sc.)— The Father of Modern Science (H. G. Plimmer, 

 F.R.S.) 



7. Recent Advances in Science: Mathematics — Astronomy- 



Physics— Chemistry -Geology— Botany— Zoology- Anthro- 

 pology 



S. Notes: Mr. Lloyd George, the Nation of Shopkeepers, and 

 the Pied Piper of Hamelin— The Board of Education's 

 Scheme— Science among the Nations— Types : Men of 

 Principle— The British Science Guild—and other Notes 

 9i Correspondence : The Mirror of Perception (Leonard Hall) 

 10. Reviews of Books on Mathematics— Phy sics- Chemistry- 

 Archaeology— Zoology— Botany— Medicine 



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 5j- net 

 VOL. X 



