Ipialacontoovaphical Socict\?, 1913. 



A MONOGRAPH 



OF 



BRITISH GEAPTOLITES. 



BY 



GERTRUDE L. ELLES. Sc.D., 



LATE GEOFFREY FELLOW, NEWNHAM COLLEGE, CAMBRIDGE ; 



AND 



ETHEL M. R. WOOD, D.Sc. 



[Mrs. SHAKBSPEAR], 

 of newnham college, cambridge; and the university of birmingham. 



EDITED BY 



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



LATE PROFESSOR OF OBOLOGT IN THE UNIVERSITY OF BIRMINGHAM. 



PART X. 



Pages 487—526 ; Plates L— LII. 



LONDON: 



FEINTED FOE THE PALiEONTOGEAPHIC AL SOCIETY. 



Febkdary, 1914. 



