DAVIS : SECTIONS IN THE LIASSIC AND uOLITIC ROCKS OF YORKSHIRE. 207 
Upper Limestone ? 
Oolitic Limestone 
Middle 
Calcareous Grit 
or 
Filey Brig Grit, 
fossils that their identity can be established. The whole of the 
sequence has been measured by the Survey with the following 
result : — 
Section at north side of the Carr Naze, Filey. 
Ft. Ins. 
Boulder clay, resting on a denuded surface 
Irregular rubbly oolitic limestone ... 15 0 
White shelly limestone, partly oolitic, with 
\ Ostrea mima, 0. duriuscula, Pecten 
vagans ... ... ... ... 2 0 
k Fissile slabby beds ... ... ... 3 0 
f Massive sandstone, with fucoids at top ... 2 0 
Shelly band, containing Serpula, Gervillia 
aviculoides, Pecten subfibrosus, Ostrea 
mima, Gryphcea dilatata, Chemnitzia 
\ Ileddingtonensis ... ... ... 0 7 
I Hard massive sandy grit, with Gervillia 
aviculoides and Pecten subfibrosus, along 
certain lines ... ... ... 9 0 
v Brown and yellow nodular grit ... 1 3 
f Hard grey grit with irregular top, contain- 
ing Serpula, Vermicularia, Avicida, 
Trigonia ... ... ... 0 6 
Grits, hard, brown, yellow, or grey ... 3 8 
Nodular bed, with comminuted shells ... 0 10 
Cherty oolitic bed, almost pisolitic with 
fossils, Trichites Plottii, &c. 
Oolitic bed, with Serpula, Ostrea mima, &c. 
Grey gritty bed, with Serpula, and lower 
Gryphcea dilatata 
'Brown sandy bed 
Grey grit, with Rhynchonella Thurmanni 
Grey grit, with Gervillia aviculoides 
Brown sandy grit, with Gryhhcea dilatata 
Brown sandy grit, with Pecten snbfibrosus, 
Ostrea mima, Gervillia aviculoides ... 2 6 
Grey Grits. 
Passage Beds. 
Brown and Grey 
Grits. 
