Duplicates. — Lineola, Suasa/'' Desiderata. — Many local species in fine condi- 

 tion. — F. Whittle ; 3, Marine Avenue, Southend. 



Desiderata (for new illustrated work on larvae and pupae). — Larvae and pupae 

 of ExpaUidata, Corj^ata, Extersaria, Fasciaria, Contigua, Assimilata, Pusaria, 

 A. Ligustri, Apiciaria, Lichenaria, Leporina, Notata, Cinctaria, Ononaria, 

 Siliciata, Fluctuosa, Alchemillata, Eeclusa, Betulae, Edusa, Lathonia, Euphorbiata, 

 Tridens, Fascelina, Persicaria, Helveticata, Ulmata, Arceuthata, Testudo, Occularis. 

 Castigata, Exclamationis, Dictaeoides, Satyrata, Eectilinea, Lacertinaria, Orion, 

 Dolobraria, ^Enea, Puta, Exigua, Cardui, Boetica. — A. W. Bollason ; 1, Newhall 

 Street, Birmingham. 



Change of Address. — E. B. Bishop, from 7, Anton Street, Hackney, to 

 Lulworth, Grove Lane, Kingston-on-Thames. 



MEETINGS OF SOCIETIES. 



South London Entomological and Natural History Society, Hibernia 

 Chambers, London Bridge, S.E. — Meetings on the 2nd and 4th Thursdays in 

 each month, at 8 p.m. 



City of London Entomological and Natural History Society. — The 

 meetings of thi^ Society (held at the London Institution, Finsbury Circus, E.C.) 

 will take place on the 1st and 3rd Tuesdays in each month, from 7.30 to 10 p.m. 

 as heretofore. 



North London Natural History Society. — Meetings are held on the 2nd 

 and 4th Thursdays in each month at the North East London Institute, Dalston 

 Lane (close to Hackney Downs Station on the G.E.K.), from 7.45 to 9.30 or 10 p.m. 



Now Eeady. 60 pp. Demy 8vo. Price 2s. 



DE. AUGUST WEISMANN'S paper on "NEW EXPEEIMENTS on the 

 SEASONAL DIMOEPHISM of LEPIDOPTEEA." Translated by W. 

 E. Nicholson, F.E.S., for the 'Entomologist' (Jan. — Aug. 1896), and reprinted in 

 separate form. 



London : AVest, Newman & Co., 54, Hatton Garden. 



NATURE: 



A WEEKLY ILLUSTEATED JOUENAL OF SCIENCE. 



•* To the solid ground 

 Of Nature tmats the mind which builds for aye." — Wordsworth. 



Published every Thursday, price 6d. Yearly subscription, 28s.; half-yearly 

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MACMILLAN & CO., Limited, Bedford Street, Strand. 



TO CONTEIBUTOES.— Papers, Notes, and Communications, on all 

 branches of Entomology, are solicited. Contributors are requested to conform, as 

 far as possible, to the following rules: — All Communications must be clearly 

 written on one side only of the paper. Generic names must be given in full, 

 excepting where immediately before used . The Editor is not responsible for 

 unused MS., neither can he undertake to return it, unless especially asked to 

 do so. Contributors of the more important articles receive six copies of such 

 articles. NOTICES of EXCHANGE (inserted without charge) must contain 

 nothing more than the specific names of the duplicates and desiderata, except 

 when two insects are known by the same specific name, and must be clearly 

 written on one side only of the paper. All notes, papers, books for review, &c., 

 and notices of exchange should be sent to the Editor, 



RICHARD SOUTH, WO, RITHERDON ROAD, UPPER TOOTING, S.W. 



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