Third Series. No. 31.1 ttttv -in-m m nj 



r-vr_ onp l JULY, 1917. [PfilCE 9d. NET 



[No. 638.] 



EUTOMOLOGIST'S^ 

 MONTHLY 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. POREITT, F.L.S. 



J. J. WALKER, M.A., R.N., F.L.S. 



VOLUME LIII. 



[THIRD SERIES-VOL. III.] 



"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: 



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



33, PATERNOSTER ROW, E.C. 4. 



TATLOft ANo'lPEANCIS, BED LION COURT, FLEET STREET. 



