A MONOGEAPH 



OF 



BRITISH CtRAPTOLITES. 



BY 



GERTRUDE L. ELLES, 



GEOFFEEY FELLOW, NEWNHAM COLLEGE, CAMBRIDGE ; 



AND 



ETHEL M. R. WOOD, 



OF NEWNHAM COLLEGE, CAMBRIDGE; AND THE UNIVERSITY OF BIRMINGHAM. 



EDITED BY 



CHARLES LAPWOETH, LL.D., F.KS., 



PROFESSOR OF GEOLOGY IN THE UNIVERSITY OF BIRMINGHAM. 



PART I. 

 DICHOGRAPTID^. 



Pages 1—54 ; Plates I— IV. 



LONDON: 



PRINTED FOR THE PAL^ONTOGRAPHICAL SOCIETY. 



1901. 



