PUBLISHED BY MR. JOHN VAN VOORST. 



CONCHOLOGY. 



INTRODUCTION TO CONCHOLOGY; or Elements of the Natural His- 

 tory of Molluscous Animals. By GEORGE JOHNSTON, M.D., LL.D., 

 Fellow of the Royal College of Surgeons of Edinburg, author of ' A 

 History of the British Zoophytes.' 8vo, 102 Illustrations, 21*. 



HISTORY OF BRITISH MOLLUSCA AND THEIR SHELLS. By 

 Professor EDWARD 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., 6 10* ; royal 8vo, 

 with the plates coloured, 13. 



SYNOPSIS OF THE MOLLUSCA OF GREAT BRITAIN. Arranged 

 according to their Natural Affinities and Anatomical Structure. By W. 

 A. LEACH, M.D., F.R.S., &c. &c. Post 8vo, with 13 Plates, Us. 



HISTORY OF THE BRITISH MARINE TESTACEOUS MOLLUSCA. 

 By WILLIAM CLARK. 8vo, 15*. 



GENERA 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 enu- 

 meration of the species. 3 vols. 8vo, 4 10*. ; or royal 8vo, with the 

 plates coloured, 9. 



MALACOLOGIA MONENSIS. A Catalogue of the Mollusca inhabiting 

 the Isle of Man and the neighbouring Sea. By EDWARD FORBES. 

 Post 8vo, 3*., Edinburg, 1838. 



GATHERINGS OF A NATURALIST IN AUSTRALASIA; being Ob- 

 servations principally on the Animal and Vegetable Productions of New 

 South Wales, New .Zealand, and some of the Austral Islands. By 

 GEORGE BENNETT, M.D., F.L.S., F.Z.S. 8vo, with 8 Coloured Plates 

 and 24 Woodcuts, 21*. 



TRAVELS AND RESEARCHES IN CRETE. By Captain SPRATT, R.N., 

 C.B., F.R.S. With Map, Twelve full-page Chromo-lithographic Views, 

 and many Head pieces and other Vignette Illustrations. 2 vols. Svo, 2 



