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SCIENCE PROGRESS 



A Quarterly Review of Scientific Thought, 

 Work and Affairs. 



Editor - SIR RONALD ROSS, K.C.B., F.R.S. 



This Quarterly is now in its eleventh year of publication. Its 

 tjbject is to give all readers of wide culture and interest in science 

 a knowledge of the numerous advances which are being continually 

 made in connection with scientific work and thought. Each number 

 contains Recent Advances in Science (by a number of experts), 

 Articles, Popular Science, Essay-Reviews, Correspondence, Notes, 

 Essays, many Reviews, and a Book List. Published early every 

 •quarter by John Murray, 50a Albemarle Street, London, W. Annual 

 Subscription £1 and price of one number 5s. Subscriptions through 

 bookseller or direct to the Publisher. 



"... Science Progress, which has now reached its 

 thirty-ninth number, not only covers a remarkable wide 

 field with great ability, but has had impressed upon it, 

 by the energetic and humane spirit of its editor, a certain 

 dynamic quality which makes it a force as well as a 

 source of light." — The Junes, Literary Supplement, znd 

 March, 191 6. 



