LIST OF PLATES. 
PAGE. 
1. Section of Gravel Pit at Burstwick ... ... 14 
II. Glacial Map of North-East Yorkshire ... ... ... 20 
III. Le])to/epis salt nciensis a,nd Engnathus fasciculafns ... 42 
IV. PlwlidophoruH (je.rmamciis ... ... ... ... 42 
V. Ptycholepis holle.u.fis ... ... ... ... ... 42 
VI. Malham Tarn ... ... ... ... ... 00 
VII. Malham. Tlie Water Sinks ... ... ... ... 60 
^ ^^jj |photographs of the Malham Dry Valley ... ... 60 
XIV 1^^^^^^^"^ Cove ... ... ... ... ... 60 
XV. Map of the Dry Valley of the Aire ... ... ... 60 
XVI. Diagrammatic Summary of Faults in the Chalk between 
Danes' l)3'ke and Old Falls, Flamborough Head ... 88 
XVII. Richard Carter, J.P., F.(i.S 92 
XVIII. William Crawford Williamson, LL.D., F.R.S. ... ... 95 
XIX. Caturus ... ... ... ... ... ... 170 
XX. Saurostomns ... .. ... .. ... ... 170 
XXI. Pachycormns ... ... ... ... ... ... 170 
XXII. to ^Photographs of the Yorkshire Coast from Speeton (4ap 
XXXIII. \ to Flamborough Head ... ... ... ... 182 
XXXIV. Key Plate to Plates XXII., XXIIL, and XXXIII. ... 182 
XXXV. Actceonina Kendallii and Turbo saltviciensis ... ... 200 
XXXVI. Groups of Barrows near Sledmere and Fimber ... ... 208 
XXXVII. Section in Drifts at Red Cliff, near North Ferriby ... 218 
XXXVIII. Prescott's Pit, EUoughton ... ... ... ... 231 
XXXIX. Professor A. H. Green, F.R.S. ... 232 
XL. Thomas Hick, B.A., B.Sc, A.L.S. ... ... ... 234 
