The following works by the author of ''Popular British 

 Conchology" ''History of the Aquarium,'' (^c, can he every- 

 where obtained on application. 



THE ILLUSTRATED INDEX 



OF 



BRITISH SHELLS, 



{Imperial 8vo, extra cloth, price 30s. coloured, 245. plain.) 



Contains 700 engravings on Copper, of 600 Species, being 

 EVERY ONE hitherto recognised. With Names, Synonyms, 

 Localities, and other information. 



THESAURUS CONCHYLIORUM. 



{Imp. 8vo, price 25s. coloured, \6s. plain, each part.) 

 Every part contains one or more Monographs of the 

 Genera of Recent Shells, illustrated by about 300 figures. 

 Parts XVII. and XVIII. contain the Genus Conus. 

 Part XIX. Ancillaria and other Genera. 



THE SAME AUTHOR HAS ALSO IN PREPARATION, AIT 



INTRODUCTION 



TO THE STUDY OF 



Bmmn m©iimm umb mm shells. 



With a description and figure of every Genus, 10s. coloured, 

 7s. plain. 



G. B. SOIVERBV, F.I..S. 



Of Pembroke Square, Kensington, Author of the above, un- 

 dertakes to Illustrate all works on Natural History. 



