The Annual Subscription for 1921 is 15/-. 



k^- 



Third Series. Ho. 77.] jj^^y 1921 [Price 2/-nkt. 



[No. 684.] 



THE 



ESTOMOLOGIST'S 

 MONTHLY MAGAZISE. 



EDITED BY 



G. C. CHAMPION, F.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., F.L.S. 



VOLUME LVItt. 'v'iAYl r 192' 



ITHIRD SERIES-VODS^^I.] 



"J'engage done touB k eviter dans leurs ecrits toute per.sonnalite, 

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

 plnscourtoise." — Ti'iboulbene. 



LONDON: 



GURNEY & JACKSON (Me. Van Vogbst'b Successors), 



33, PATERNOSTER ROW, E.G. 4. 



TAYLOR AND FRANCIS, RED LION COURT, FLEET STREET. 



