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Duplicates— Cytlierea (larvae) ; many imagos (please send list.) Desiderata — Dntplarit, 

 Munda, Cerago, Bespecta, Gracilis, Stabilis, MyrtiUi, Triangulum, Fimbria, Uarpophaga, 

 Chi, Qramihis, Opinio, Conspersa, JFlavocincta, Nebulosa, Oxyacanthcs, Pisi, Contigua, Biden- 

 tata, Betulariai Obscurata, Crevuscularia, Biundularia, Bepandata. — J. W. Tutt, West- 

 coinbe Park, S.E. 



Duplicates — S. testacea, C. spinula, 0 Rotatoria, P. iota, P. chrysitis, S. populi, B. 

 qiiercus, S. tilice, C. elpenor, etc. Desiderata — Numerous. — J. Lyon Denson, 21, Upper 

 Northgate Street, Chester. 



Dragon-Flies wanted from all parts of the world for figuring. Offered Lepidoptera, 

 Coleoptera, Shells, Natural History i3ooks, and Magazines, &c— W. Harcourt Bath, 

 Lady wood, Birmingham. 



In Fcap. 8vo., Cloth, price $s. s post free. 

 THE 



SHELL-COLLECTOR'S HANDBOOK 



FOR THE FIELD. 



By J. W. WILLIAMS, M.A., D.Sc, Editor of "The Naturalists' Monthly." 



fltP'HIS Manual contains full details of every Order, Genus, Species, and Variety of 

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 date of publication. Explicit instructions are given for the collecting and preservation of 

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 annotate in any way he may desire. The habitat of every species is clearly indicated, and 

 the result of the long experience of the Author placed as concisely as possible at the dis- 

 posal of the student. The anatomy of the snail is also described, and a full glossary of 

 conchological terms appended. 



LONDON: ROPER & DROWLEY, 29, LUDGATE HILL, E.C. 



Price 4d. Monthly, 



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FIFTH YEAR OF PUBLICATION. 



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Published Quarterly, Price 1/6. 

 Is the recognised organ of the POSTAL MICROSCOPICAL SOCIETY, 

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Both Journals are Edited fy Published by Mr. Alfred Allen, Hon. Sec. of the 

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