TABLE OF CONTENTS. 
SYNOPSIS OF THE CLASSIFICATION ........ 0000+ 000 sistetints 
ATG BEDATEA mcr tise heated caning eres cee Rea ont eae 
SPECIFIC DESCRIPTIONS OF THE ACEPHALA ...........-5.- 
GASTEROPODACH 3 nie vide is ae EL eee: 
SPECIFIC DESCRIPTIONS OF THE GASTEROPODA........-.4.: 
List OF THE EXOTIC SPECIES THAT HAVE BEEN IMPROPERLY 
ADMITTED INTO THE BRITISH LIST............-.+- 
APPENDIX ...... Eee TEP em A ROR RR ee PS EN FS 
GNU Eee hte ee cin wo a roe sO eet 
