A MONOGEAPH 



BKITISH CARBONIFEROUS 



TRILOBITES. 



HENRY WOODWARD, LL.D., F.R.S., F.G.S., F.Z.S., F.R.M.S., 



KEErER OF THE DEPAKTMENT OF GEOLOGY IN THE BRITISH MUSEUM (NATURAL HISTORY) ; 



VICE-PRESIDENT OF THE PAL.EONTOGRAPH1CAL SOCIETY; 



MEMBER OF THE LYCEUM OF NATURAL HISTORY, NEW YORK; AND OF THE AMERICAN PHILOSOPHICAL SOCIETY, 



PHILADELPHIA; HONORARY MEMBER OF THE YORKSHIRE PHILOSOPHICAL SOCIETY; OF THE GEOLOGISTS' 



ASSOCIATION, LONDON ; OF THE GEOLOGICAL SOCIETIES OF EDINBURGH, GLASGOW, AND NORWICH ; 



CORRESPONDING MEMBER OF THE GEOLOGICAL SOCIETY OF BELGIUM ; OF THE IMPERIAL 



SOCIETY OF NATURAL HISTORY OF MOSCOW :, OF THE NATURAL HISTORY 



SOCIETY OF MONTREAL; AND OF THE MALACOLOGICAL 



SOCIETY OF BELGIUM. 



LONDON: 

 PEINTED FOE THE PAL^ONTOGEAPHICAL SOCIETY 



1888—1884. 



