Advisory Committee 



H. E. ARMSTRONG, Ph.D., LL.D., F.R.S. 

 HORACE T. BROWN, LL.D., F.R.S. 

 J. BRETLAND FARMER, M.A., D.Sc, F.R.S. 

 R. T. GLAZEBROOK, M.A, Sc.D., F.R.S. 

 H. J. MACKINDER, M.A. 



Contributions should be addressed to — 

 The Editors, 



" Science Progress" 



Physiological Laboratory^ 



London University, 



South Kensington. 



