x CRETACEOUS LAMELLIBRANCHIA. 



officially connected with the institutions named, and in this respect I desire to 

 express my sincere thanks to Mr. H. A. Allen, Mr. H. Bolton, Mr. W. Rupert 

 Jones, Mr. F. Leney, Mr. E. T. Newton, Mr. R, B. Newton, Mr. H. M. Platnauer, 

 Mr. F. R. Rowley, and Dr. A. Smith Woodward. I am also greatly indebted to 

 several geologists for the loan of specimens from their collections, especially to 

 Dr. H. P. Blackmore, Mr. R, M. Brydone, Mr. G. E. Dibley, Mr. R. Fortin, Mr. 

 C. Griffith, Mr. A. de Grossouvre, Professor E. Holzapfel, Mr. A. J. Jukes-Browne, 

 Mr. G. W. Lamplugh, Mr. J. P. J. Ravn, Mr. C. Reid, Dr. A. W. Rowe, Mr. J. 

 Scanes, Mr. J. W. Stather, Mr. J. F. Walker, and Dr. A. Wollemann. I must 

 likewise thank Mr. Jukes-Browne and Dr. F. L. Kitchin for their kindness in 

 reading the proofs and for other valuable assistance, whilst in bibliographical 

 difficulties I .owe much to the ever-ready help and unrivalled knowledge of 

 Mr. C. Davies Sherborn. 



A portion of the travelling expenses involved in the preparation of this work 

 and a part of the cost of the draAvings have been defrayed from two grants made 

 to me by the Government Grant Committee of the Royal Society. Every facility 

 for carrying on this work in the Woodwardian Museum has been given me by 

 Professor T. McKenny Hughes, whose kindness I gladly take this opportunity of 

 gratefully ackno pledging. 



