The Annual Subscription for 1920 is 15/-. 



[See p. 2 of Wrapper. 



MOfiTHLY MAGAZIIE. 



EDITED BY 



G. C. CHAMPION, E.Z.S. J. E. COLLIN, F.E.S. 



W. W. EOWLEli, D.Sc, M.A., E.L.S. 



E. W. LLOYD, E.E.S. G. T. POURITT, E.L.S. 



J. J. AVALKER, M A., R.N., E.L.S. 



VOLUME LVI. 



[THIRD SERIES -VOL. VI, 



"J'engage done tous a eviter dans leurs ecrits toute personnalite, 

 toute allusion depassant les limites de la discussion la plus sincere et la 

 plus courtoise." — Lahoulhene. 



LONDON: 



GUENEY & JACKSON (Mu. A"an Yooest's Successous), 



33, PATEENOSTEE EOW, E.C. 4. 



TAYLOR AND FRANCIS, RED LION COURT, FLEET STREET. 



