PREFACE. 



ERRATA. 



Pp. 33, 34, 36, for Cucullxea errans read Cuculkea vagans. 



P. 109, line 24, add Upware. 



P. 161, line 22. Terebratella Menardi should be marked as occurring at 

 Upware. 



P. 161, line 31. Terebratula capillata (d'Arch.) should be marked as occur- 

 ring at Hunstanton. 



In the Explanations of the Plates, PI. IV. fig. 1 should be Pleurotomaria 

 Renevieri, not Campichei, and PI. VII. fig. 19 should be Terebratella Keepingi 

 and not Waldheimia Bonneyi. 



In explanation of PI. V. Pectunculus lens should be Pectunculus sublcevis. 



1 "On the Neocomian strata of Yorkshire and Lincolnshire, with notes on their 

 relations to the beds of the same age throughout Northern Europe." Quart. Joum. 

 Geol. Soc. Vol. xxvi. p. 326. 



K. b 



