A MONOGRAPH 



BEITISH GEAPTOLITES. 



BY 



GERTRUDE L. ELLES, 



LATE GEOFFREY FELLOW, NEffNHAM COLLEGE, CAMBRIDGE ; 

 AN1> 



ETHEL M. R. WOOD, M.Sc, 



OF NEWNHAM COLLEGE, CAMBRIDGE; AND THE UNIVERSITY OF 1HRMINGHAM. 



EDITED BY 



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



PROFESSOR OF GEOLOGY IN THE UNIVERSITY OF BIRMINGHAM. 



PART IV. 



Pages liii— lxxii. 135—180 ; Plates XX— XXV. 



L O N 1)0 N : 



PRINTED FOE THE PAL^IONTOGRAPHICAL SOCIETY. 



1904. 



