fl>al£conto0vapbical Society, 1916. 



A MONOGKAPH 



OF 



BRITISH GKAPTOLITES. 



GERTRUDE L. ELLES, Sc.D., 



LATE GEOFFREY FELLOW, NEWNHAM COLLEGE, CAMBRIDGE 



AN I) 



ETHEL M. R. WOOD, D.Sc. 



[Mrs. SHAKESPEAR], 



OF NEWNHAM COLLEGE, CAMBRIDGE; AND THE UNIVERSITY OF BIRMINGHAM 



EDITED BY 



CHARLES LAPWOETH, LL.D., F.R.S., 



LATE PROFESSOR OF GEOLO&Y IN THE UNIVERSITY OF BIRMINGHAM 



PART XI. 



Pages cxlix — clxxi, a — m, 527 — 539 ; Including Title-page and Index. 



LONDON: 

 PKINTED FOE THE PAL^ ONTOGRAPHICAL SOCIETY. 



February, 1918. 



