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Vol. L.l MAY, 1917. [No. 648. 



THE 



ENTOMOLOGIST 



lllustrateb Montljlii Sounial 



GENERAL ENTOMOLOGY 



EDITED BY RICHARD SOUTH, F.E.S. 



WITH THE ASSISTANCE OF 

 ROBERT ADKIN, F.E.S. C. J. GAHAN, D.Sc, M.A., F.E.b. 



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W. L. DISTANT, F.E.S., &c. 



F. W. FROHAWK, F.E.S., M.B.O.U. 



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