THE 



ENTOMOLOGIST'S 

 MONTHLY MAGAZINE : 



COJfDUCTED BY 



C. G. BAERETT. E. C. RYE, F.Z.S. 



J. W. DOUGLAS. E. SATJNDEES, E.L.S. 



E. McLACHLAN, E.E.S. H. T. STAINTON, F.R.S. 



VOL. XIX. 



" The advantages attending the division of labour reach their maximum 

 when not onlj individuals devote themselves chiefly to one object, but associate 

 together for the purpose of promoting and extending it. * * * To a 

 thorough conviction of this truth the Entomological Society of London owes 

 its existence." (" Introduction " to vol. i of the Transactions of the Entomo- 

 logical Society of London, the " organization " of which Society ivas effected on 

 May Zrd, 1833.) 



JOHN VAX VOORST, 1, PATERNOSTER ROW. 



1882-83. 



