BOOKS PUBLISHED BY MR. VAN VOORST. 



INVERTEBRATA. 



TJistory of British Sessile-eyed Crustacea (Sand-hoppers, 

 &c). By 0. SPENCE BATE, F.L.S., and J.O. WESTWOOD, 

 F.L.S., &c. With figures of all the species, and tail-pieces. 

 Uniform with the Stalk-eyed Crustacea by Professor Bell. Part 1 



on January I si . 



J-Jistory of British Stalk-eyed Crustacea (Lobsters, Crabs, 

 Prawns, Sin-imps, &c.). By THOMAS BELL, President of the 

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

 College, London. The vol nine is illustrated by 174 Engravings 

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



Introduction to Conchology J or. Elements of the Natural 

 History of Molluscous Animals. By GEORGE JOHNSTON, 

 M.D., LL.D., Fellow of the Royal College of Surgeons of Edin- 

 burgh, author of ' A History of the British Zoophytes.' 8vo, 102 

 Illustrations, 21s. 



TTistory of British Mollusca and their Shells. By Pro- 

 fessor ED. FORBES, F.R.S., &c. and SYLVANUS HANLEY, 

 B.A., F.L.S. Illustrated by a figure of each known Animal and 

 of all the Shells, engraved on 203 copper-plates. 4 vols. 8vo, 

 £(} 10s. ; royal 8vo, with the plates coloured, £13. 



gynopsis of the Mollusca of Great Britain. Arranged 

 according to their Natural Affinities and Anatomical Structure. 

 By W. A. LEACH, M.D., F.E.S., &c. &c. Post 8vo, with 13 

 Plates, 14s. 



History of the British Marine Testaceous Mollusca. By 

 WILLIAM CLARK. 8vo, 15s. 



flenera of Recent Mollusca; arranged according to their Or- 

 ganization. By HENRY and ARTHUR ADAMS. This 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 

 8to, with the plates coloured, i.'f). 



]^[alacologia Monensis, A Catalogue of the Mollusca inhabiting 

 the Isle of Man and the neighbouring Sea, By EDWARD 

 FORBES. Post 8vo, 3s., Edinburgh, 1838. 



"History of British Star-fishes, and other Animals of the 



Class Echinodermata. By EDWARD FORBES, M.W.S., Pro- 

 fessor of Botany in King's College, London. 8vo, with more than 

 120 Illustrations, 15s., or royal 8vo, 30s. 



"glements 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. 



ijhe Entomologist's Annual for 1855 to 1860. 12mo, 2.--. Gd. 

 each. 



JOHN YAN YOORST, 1 PATERNOSTER ROW. 



