4 BOOKS PUBLISHED BY MR. VAN VOORST. 



Genera of Hecent Mollusca ; arranged according to their Or- 

 ganization. By HENRY and ARTHUR ADAMS. Tins work 

 contains a description and a figure engraved on steel of each genus, 

 and an enumeration of the species. 3 vols. 8vo, ,£4 10s. ; or royal 

 8vo, with the plates coloured, £9. 



Elements of Entomology : an Outline of the Natural History 

 and Classification of British Insects. By WILLIAM S. DAL- 

 LAS, F.L.S. Post 8vo, 8s. 6d. 



The Entomologist's Annual for 1855 to 1858. Duodecimo, 



boards, 2s. Q>d. each. 



History of British Stalk-eyed Crustacea (Lobsters, Crabs, 

 Prawns, Shrimps, &c). By THOMAS BELL, President of the 

 Linnean Society, F.G.S., F.Z.S., Professor of Zoology in King's 

 College, London. The volume is illustrated by 174 Engravings 

 of Species and tail-pieces. 8vo, £1 5s. ; royal 8vo, £2 10s. 



History of the British Zoophytes. By GEORGE JOHN- 

 STON, M.D., LL.D. Second Edition, in 2 vols. 8vo, with an 

 illustration of every species. £2 2s. ; or on large paper, royal 

 8vo, £\ 4s. 



Manual of the Sea-Anemones commonly found on the 

 English Coast. By the Rev. GEORGE TUGWELL, Oriel 

 College, Oxford. Post 8vo, with Coloured Illustrations, 7s. Gd. 



Natural History of Animals. By Professor T. RYMER 

 JONES. Vol. II. Insects, &c, with 104 Illustrations, post 8vo, 

 12s. 



Familiar Introduction to the History of Insects ; being a 

 Second and greatly Improved Edition of the Grammar of Ento- 

 mology. By EDWARD NEWMAN, F.L.S., Z.S., &c. With 

 nearly 100 Illustrations, 8vo, price 12s. 



The World of Insects ; a Guide to its Wonders. By J. W. 

 DOUGLAS, Secretary to the Entomological Society of London. 

 This work contains rambling observations on the more interesting 

 members of the Insect World to be found in the House, the Gar- 

 den, 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. Gd. 



Siebold on True Parthenogenesis in the Honey-Bee and 



Silk-Worm Moth. Translated from the German by W. S. 

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



Practical Hints respecting Moths and Butterflies, with 

 Notices of their Localities; forming a Calendar of Entomolo- 

 gical Operations throughout the Year, in pursuit of Lcpidoptera. 

 By RICHARD SHIELD. 12mo, stiff-paper wrapper, 3s. 



JOHN VAN VOORST, 1 PATERNOSTER ROW. 



