BOOKS ON ZOOLOGY PUBLISHED BY MR. VAN VOORST. 
HISTORY OF BRITISH FISHES. By WILLIAM YARRELL, V.P.L.S., 
F.Z.S., &c. Third Edition. Edited by SIR JOHN RICHARDSON, M.D. 
Two vols. demy 8vo, illustrated by more than 500 Engravings, 3s. 
HISTORY OF BRITISH SESSILE-EYED CRUSTACEA (Sand hop- 
pers, &c.). By C. SPENCE BATE, E.R.S., E.L.S., and Professor WESTWOOD, 
E. L.S., &c. With figures of all the Species, and tail-pieces. Uniform with the 
Stalk-eyed Crustacea by Professor Bell. Parts I to 12, each 2s. Qd. 
HISTORY OF BRITISH STALK-EYED CRUSTACEA (Lobsters, 
Crabs, Prawns, Shrimps, Ac.). By THOMAS BELL, President of the Linnoun 
Society, E.G.S., E.Z.S., Professor of Zoology in King’s College, London. The 
volume is illustrated by 174 Engravings of Species, and tail-pieces. 8vo, £l 5s. 
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. * 
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 Edinburgh, Author of ‘ A History of the 
British Zoophytes.’ 8vo, 102 Illustrations, 21s. 
BRITISH CONCHOLOGY ; or, an Account of the Mollusca which now in- 
habit the British Isles and the surrounding Seas; with particulars of their habits 
. and distribution. By J. GWYN JEFFREYS, F.R.S., F.G.S., Ac. Vols. I. 
to III., each with Nine Plates, price 12s. each. 
HISTORY OF BRITISH MOLLUSCA AND THEIR SHELLS. 
By Professor ED. FORBES, li'.R.S., Ac., and SYLVANUS HANLEY, B.A., 
F. L.S. Illustrated by a figure of each known Animal and of all the Shells, en- 
graved on 203 Copper Plates. 4 vols. 8vo, £Q 10s. ; royal 8vo, with the plates 
coloured, J13. 
SYNOPSIS OF THE MOLLUSCA OF GREAT BRITAIN. Ar- 
ranged according to their Natural Affinities and Anatomical Structure. By W. A. 
LEACH, M.D,, F.R.S., Ac. Ac. Post 8vo, with 13 Plates, 14s. 
HISTORY OF THE BRITISH MARINE TESTACEOUS MOL- 
LUSCA. By WILLIAM CLARK. 8vo, 15s. 
GENERA OF RECENT MOLLUSCA; arranged according to their Or- 
ganization. By HENRY and ARTHUR ADAMS. This work contains a de- 
scription 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. 
MALACOLOGIA 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 ANI- 
MALS OF THE CLASS ECHINODERMATA. By EDWARD 
FORBES, M.W.S., Professor of Botany in King’s College, London. 8vo, with 
more than 120 Illustrations, 15s. 
SIEBOLD ON TRUE PARTHENOGENESIS IN THE HONEY- 
BEE AND SILK-W^ORM MOTH. Translated from the German by 
W. S. DALLAS, F.L.S. 8vo, 5s. 
JOHN VAN VOORST, 1 PATERNOSTER ROW. 
