A 



MONOGRAPH 



OF THE 



BRITISH 

 MARINE ANNELIDS. 



VOL. II. 

 POLYCH^TA- 

 NEPTHYDIDJ3 TO ARICIIME. 



BY 



WILLIAM CARMICHAEL McINTOSH, M.D.Edin., 



L.R.C.S.E., LL.D., F.R.S., F.E.S.E., F.L.S., C.M.Z.S., V.P. LIT. & PHIL. SOC. St. AND., V.D., etc., 



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



MUSEUM AND OF THE GATTY MARINE LABORATORY; SUB-COMMISSIONER AND SCIENTIFIC REPORTER 



TO THE TRAWLING COMMISSION UNDER LORD DALHOUSIE, 1883-1885 ; SCIENTIFIC MEMBER 



OF THE FISHERY BOARD FOR SCOTLAND, 1892-1895 ; MEMBER OF THE 



IRISH INLAND FISHERIES COMMISSION, 1899-1901. 



LONDON : 

 PRINTED FOR THE RAY SOCIETY, 



AND SOLD BY 



DULAU & CO., LTD., 37, SOHO SQUARE, W. 



1908-1910. 



