6 BOOKS PUBLISHED BY MR. VAN VOORST. 



THE WORLD OF INSECTS : a Guide to its Wonders, By J. TV. DOU- 

 GLAS, 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, 

 3s. 6d. t 



SIEBOLD ON TRUE PARTHEN OGENESIS IN THE HONEY-BEE AND- 

 SILK-WOKM MOTH. Translated from the German by W. ft DALLAS,, 

 FJ/.S. 8vo, 5s. 



PRACTICAL HINTS EESPECTING MOTHS- AND BUTTERFLIES, with 

 Notices of their Localities ; forming a Calendar of Entomological Operations, 

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

 12mo, stiff-paper wrapper, 3s. 



HEWITSON'S EXOTIC BUTTERFLIES. Vols. I. ai*d II., containing 79C* 

 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 BRITISH BUTTERFLIES AND MOTHS. By H. T. STAIN- 

 TON. 2 vola. 12mo, 10s. 



NATUEAL HISTORY OF THE TINEINA. By H. T. OTAINTON. Coloured 

 Plates. Vol. I. to VIL 8vo, cloth, each 12s. &L 



GEODEPHAGA BRITANNICA : a Monograph, of the Carnivorous Ground- 

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

 without the Plates, 10s. 



INSECTA MADERENSIA j being, an Account f the Insects of the Islands of 

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

 with Thirteen Coloured. Plates of Beetles,. 2 2s. 



AN ACCENTUATED LIST OF THE BRITISH! LEPIDOPTERA, with 

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

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



BOTANY. 



BRITISH WILD FLOWERS. Illustrated by JOHN E. &OWERBY. De- 

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

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

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

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

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



BRITISH POISONOUS PLANTS. Illustrated by JOHN E. SOWEEBY. 

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

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

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



JOHN VAN VOORST, 1 PATERNOSTER ROW. 



