ML 



v./ 



MONOGEAPH 



OF THE 



BRITISH ANNELIDS. 



V.l. PART II. 



POLTCH^TA. 

 AMPHINOMUbE TO SIGAUONIM. 



Pages 215—442 ; Plates XXIV— XXVI, XXVIa, XXVII— XLII 



BY 



WILLIAM CARMICHAEL McINTOSH, M.D.Edin., 



L.R.C.S.E., LL.D., F.R.S., F.R.S.E., F.L.S., C.M.Z.S., etc.; 



PROFESSOR OF NATURAL HISTORY IN THE UNIVERSITY OF ST. ANDREWS; DIRECTOR OF THE UNIVERSITY 



MUSEUM AND OF THE GATTY MARINE LABORATOBY. 



LONDON : 

 PRINTED FOR THE RAY SOCIETY. 



