6 BOOKS PUBLISHED BY ME. VAN VOORST. 



THE WOELD OF INSECTS : a Guide to its Wonders. By J. W. DOU- 

 G-LAS, Secretary to the Entomological Society of London. This work con- 

 tains rambling observations on the more interesting members of the Insect 

 World to be found in the House, the Garden, the Orchard, the Fields, the 

 Hedges, on the Fences, the Heaths and Commons, the Downs, in the Woods, 

 the Waters, or on the Sea Shore, or on Mountains. 12mo, stiff-paper wrapper, 



8IEBOLD ON TEUE PAETHENOGENESIS IN THE HONEY-BEE AND 

 SILK-WOEM MOTH. Translated from the German by W. 8. DALLAS, 

 F.L.S. 8vo,5s. 



PEACTICAL HINTS EESPECTING MOTHS AND BUTTEEFLIES, with 

 Notices of their Localities; forming a Calendar of Entomological Operations 

 throughout the Year, in pursuit of Lepidoptera. By EICHAKD SHIELD. 

 12mo, stiff-paper wrapper, 3*. 



HEWITSON'S EXOTIC BUTTEEFLIES. Vols. I. and II., containing 790 

 Coloured Figures of new or rare species, Five Guineas each volume. 

 Of Vol. III., Four Parts (41 to 44 of the entire work) are at this time pub- 

 lished, 5s. each. 



MANUAL OF BEITISH BUTTEEFLIES AND MOTHS. By H. T. STAIN- 

 TON. 2 vols. 12mo, 10*. 



NATUEAL HISTOEY OF THE TINEINA. By H. T. STAINTON. Coloured 

 Plates. Vol. I. to VII. 8vo, cloth, each 12*. 6d. 



GEODEPHAGA BEITANNICA : a Monograph of the Carnivorous Ground- 

 Beetles Indigenous to the British Isles. By J. F. DAWSON, LL.B. 8vo, 

 without the Plates, 10s. 



INSECTA MADEEENSIA ; being an Account of the Insects of the Islands of 

 the Madeiran Group. By T. VEENON WOLLASTON, M.A., F.L.S. 4to, 

 with Thirteen Coloured Plates of Beetles, 2 2s. 



AN ACCENTUATED LIST OF THE BEITISH LEPIDOPTEEA, with 

 Hints on the Derivation of the Names. Published by the Entomological So- 

 cieties of Oxford and Cambridge. 8vo, 5*. 



BOTANY. 



BEITISH WILD FLOWEES. Illustrated by JOHN E. SOWEEBY. De- 

 scribed, with an Introduction and a Key to the Natural Orders, by C. PIEB- 

 POINT JOHNSON. Ee-issue, to which is now added a Supplement contain- 

 ing 180 new figures, comprising lately discovered Flowering Plants, by JOHN 

 W. SALTEE, A.L.S., F.G.S. ; and the Ferns, Horsetails and Club-Mosses, 

 by JOHN E. SOWEEBY. 8vo, with 1780 Coloured Figures, 3 3s. 



BEITISH POISONOUS PLANTS. Illustrated by JOHN E. SOWEEBY. 

 Described by CHAELES JOHNSON, Botanical Lecturer at Guy's Hospital ; 

 and C. PIEEPOINT JOHNSON. Second Edition, containing the principal 

 Poisonous Fungi. Post 8vo, with 32 Coloured Plates, 9s. 6d. 



JOHN VAN VOORST, 1 PATERNOSTER ROW. 



