15 JUN29 j 



S4£i^ ADVERTISEMENTS. 



CONTENTS. 



PAGE 



Silk and Silk Producers.— Joseph Chappell .. ..125 



The New Forest Zygana Meliloti. — W. H. Tugwell 131 



Nature in July (Dragonflies.)— Albert H. Waters, B. A. ..133 



Entomological Nomenclature— John E. Robson .. .. .. 136 



Reports of Societies . . . . . . . . . . . . . . . , 139 



Notes and Observations . . . . . . . . . . . . . . 143 



Supplement : History of our British Butterflies. — C. W. Dale . . . . 153 to 160 



For the greater convenience of Subscribers in the London District, Mr. 

 E. Anderson, 16, Devonshire Road, Hackney, Secretary to the City of 

 London Entomological Society, has kindly consented to act as Agent for the 

 Young Naturalist. Mr. J. Mackay, 78, Gloucester Street, Kingston, Glasgow, 

 Secretary to the Clydesdale Naturalists' Society, will also represent the 

 magazine in that district. Subscriptions may be paid to them, or they will 

 receive and forward advertisements, or communications for publication. 



In Fcap. Svo., Cloth, price 55., post free. 

 THE 



SHELL-COLLECTOR'S HANDBOOK 



FOR THE FIELD. 



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



■J^fHIS Manual contains full details of every Order, Genus, Species, and Variety of 

 Jfc British Land and Fresh-water Shells, known to the Conchological Society, up to the* 

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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 

 conchological terms appended. 



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



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8, Park Place, W., Sunderland* 



40-page Catalogue free on application. 



Printed by G. Pearson, 24, High Street, Hartlepool; and published by Messrs. Johh 

 Kempster & Co., Bolt Court, 151, Fleet Street, London, E.C. 



