On the Beds between the Gault and Upper Chalk. 313 



March 7, 1877.— Prof. P. Martin Duncan, M.B., F.R.S., President, 

 in the Chair. 



1. "On the Vertebral Column and Pelvic Bones of Pliosaurvs 

 Evansl (Soeley), from the Oxford Clay o f St. Neot's, in the Wood- 

 wardian Museum of the University of Cambridge." By Harry Go- 

 vier Seeley, Esq., F.L.S., F.Gr.S., Professor of Geography in King's 

 College, London. 



2. " Supplementary Notes on the Fauna of the Cambridge Green- 

 sand." By A. J. Jukes-Browne, Esq., B.A., E.G.S. 



3. " On the Beds between the Gault and Upper Chalk, near 

 Folkestone." By F. G. Hilton Price, Esq., F.G.S. 



The author described the characters presented by the beds be- 

 tween the Gault and Upper Chalk near Folkestone, indicated the 

 fossils contained in them, and their range in this division of the 

 Cretaceous series, and discussed the classification of the deposits, and 

 their equivalence with those recognized by other writers. His 

 conclusions are shown in the folio wing tabular arrangement : — 



C. Barrois. 



Craie marneuse a Ter. 

 gracilis, about 75 feet. 



Craie noduleuse a Inoc. 

 labiatus, 75 feet. 



Bel.-jplenus zone proper. 



Author's divisions 

 and zones. 



F. Drew in 



Whitaker's 



Survey Memoir. 



D'Orbigny. 



3 



«3 



Upper Chalk. 



/ IX. Zone of Echinoconus 

 i subrotundus and Tere- 

 bratulina gracilis, 118 

 J feet. 



1 VIII. Zone of Cardiaster V Concretionary 



pygmaus, 32 feet. ? nodular chalk, 



I ) 73 feet. 



( VII. Zone of Belemnites \ Soft bed of 6 feet ^ 



^ I (Craie compacte). J J* 



^ j Craie argileuse avec"| >p> j 





bancs durs a Aram, 

 rhotomagensis. 



Zone a Amm. va- 

 rians. 



Craie marneuse a 

 Plocoscyypkia m<s- 

 andrina. 



Marne sableuse = " 

 zone of Pecten as- 

 per, or Warmin- 



• ster beds. 



$ 



Turonian, 

 150 feet. 



flenus, 4 feet 



with Belemnites, 

 Whitaker, p. 33. 



White chalk with- 

 VI. Zone of Holaster )■ out flints, 138 

 sabglobosas, 148 feet. feet. 



; 



V. 2 ft. 9 in. 



IV. Zone of Amm. rho- 

 tomagensis. 11 feet. 



^III. 



Chalk marl, thick - 



II. Zone of Plocoscyphia 

 maandrina. 10 feet. 

 I. 14 feet. 



ness not given ; 

 say about 30 

 feet. 



Upper Gault. 



; 



Cenomanian, 

 197 feet. 



