A MONOGRAPH 



BEITISH GRAPTOLITES. 



GERTRUDE L. ELLES, 



GEOFFREY FELLOW, NEWNHAM COLLEGE, CAMBRIDGE 



AND 



ETHEL M. R. WOOD, 



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



OHAELES LAPWORTH, LL.D., F.E.S., 



PROFESSOR OF GEOLOGY IN THE UNIVERSITY OF BIRMINGHAM. 



INTHODUCTION. 



Pages i- xxviii. 



Part L— DICHOGHAPTID^. 



Pages 55 102 ; Plates V-XIII. 



LONDON: 



PRINTED FOR THE PAL^ONTOCIRAPHICAL SOCIETY. 

 1902. 



