PROCEEDINGS 



OF 



THE ROYAL SOCIETY. 



Series B. Vol. 90. No. B 625. 



BIOLOGICAL SCIENCES. 



CONTENTS. 



The Enzymes Concerned in the Decomposition of Glucose and Mannitol by 

 Bacillus coli communis. Part II.— Experiments of Short Duration with 

 an Emulsion of the Organisms. By EGERTON CHARLES GREY (Beit 

 Memorial Research Fellow) ........ 



The Enzymes Concerned in the Decomposition of Glucose and Mannitol by 

 Bacillus coli communis. Part III. — Various Phases in the Decomposition 

 of Glucose by an Emulsion of the Organisms. By EGERTON CHARLES 

 GREY (Beit Memorial Research Fellow) 



Page 



75 



92 



The Germicidal Action of Ultra-violet Radiation and its Correlation with 

 Selective Absorption. — Addendum. By C. H. BROWNING, M.D., and 

 SIDNEY RUSS, D.Sc 107 



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HARRISON & SONS, 45, ST. MARTIN'S LANE, LONDON. W.C. 

 Price One Shilling and Sixpence. 



No. B 635. 



January 1, 1918. 



