Third Series, No. 30.] ttt^,^ ,0,^ rp „. 



rWn R'^ll JUJNJii, 1917. [Pjbice 9d. net. 



[No. 637.] 



THE 



EHTOMOLOGIST'S 

 MOMHLY MAGAZINE. 



EDITED BY 



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



W. W. FOWLER, D.Sc, M.A., F.L.S. 

 R. W. LLOYD, F.E.S. G. T. PORRITT, F.L.S 

 J. J. WALKER, M.A., R.N., Y.L.Sy^^;;;^ 



VOLUME LIII. 



[THIRD SERIES-VOL. III^sC^Wspj^l^^ LJ 



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

 tonte allnsion depassant les limites de la discussion la plus sincere et la 

 plus conrtoise." — Lahoulbene. 



LONDON : 



GUENEY & JACKSON (Me. Van Vooest's Successoes), 



33, PATERNOSTER ROW, E.G. 4. 



TAYLOR AND FBANCIS, KED LION CCiUBT, FLEET STBEET. 



