Xivcrpool flDartne BtolOQ^ Contnttttee^ 



LM.B.C. MEMOIRS 



ON Typical British Marine Planis s- Animals 



EDITED BY W . A. HERDMAN. D.Sc, F.R.S. 



XII. 



GAMMARUS 



MARGARET CUSSANS, B.Sc, 



Zoological Department, University of Liverpool. 



(With 4 Plates) 



Price Two Shillings 



1 



LONDON 



WiMJAMS & NORGATE 



July, 1904 



