' at 





nOU.£ CJRCINOLOGIC^. I. 



MONOGRAPH 



OF THE 



T -TTTr^rkCl A Fk 1^ .INVERTEBRATE 



LEUCOSlADit.. /\ ZOOLOGY 



Crustacea 



LIB* UL^ 



BY 



.s^ 



THOMAS BELL, Esq., V.P.R.S., Pres.L.S. 



[From the Transactions of the Linnean Socikty, Vol. XXI., p. 277.] 



LONDON: 



PUINTED BY T.WLOR ANU FlUiNCIS, RED LION COURT. FLEET STREET. 



1855. 



