A MONOGRAPH 



OF THE 



BRITISH FOSSIL CRUSTACEA, 



BELONGING TO THE 



Order MEROSTOMATA. 



PART III. 



[PTEBYGOTUS and SLIMONIA.] 



Pages 71—120; Plates XVI— XX. 



BY 



HENRY WOODWARD, F.G.S., F.Z.S., 



OF THE BRITISH MUSEUM. 



LONDON •. 



PRINTED FOR THE PAL^ONTOGRAPHICAL SOCIETY. 



1872. 



