S'*""* [S^™^^7«|- ^"'^ JUNE, 1912, [Price 6d. net 



THE 



EMOMOLOGIST'S 

 MOKTHLY MAGAZINE. 



EDITED BY 



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



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

 E. W. LLOYD, F.E.S. G. T. POKRITT, F.L.S. 



J. J. WALKEE, M.A., E.N., F.L.S. 

 LOED WALSINGHAM, M.A., LL.D., F.E.S., &c. 



SECOND SERIES-VOL. XXIII. 



[VOL. XLVIII.] V 



/ 



4m 8 



[91 



S^A 



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

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

 plus courtoise." — Lahoulhene. 



.n<^ 



i\l 



LONDON: 



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

 33, PATEENOSTEE EOW, E.C. 



SOLD IN GERMANY BY FKIEDLANDER UND SOHN, BERLIN. 



NAPIER, PKINTER, SEYMOUR STREET, EUSTON SQUARE, 



