STATHER : NOTES ON THE DRIFTS OF THE HUMBER GAP. 215 
Lias. 
Fossiliferous limestone, containing 
Spirifer, Productus giganteus, 
Lithostrotion, syringopora, etc. I Carboniferous. 
Ganister 
Sandstones in great variety- 
Pale, hard Magnesian Limestone ... ...^ 
Mottled limestone (Roker type) ... . • - Permian. 
" Brockram" conglomerate from the Eden valley J 
Fossiliferous limestone ... ^ 
Septarian nodules 
A. communis 
A. bifrons 
A. fibulatus 
A. crassus 
A. semi-costatus... 
A. sub-armatus ... 
Bels. sp. 
Hippopodium ponderosum 
Cardinia sp. 
Gryphoea incurva 
Oolitic limestone (with fossils) 
Black shale with crushed fossils 
Exogyra sinuata 
B. lateralis 
B. jaculum 
White chalk 
Red chalk 
Iron pyrites 
Black flint (not local) ... ... Cretaceous. 
Pink flint (not local) 
■Belemnitellalanceolata(Schlotheim)not 
recorded from the Yorkshire Chalk 
Green coated flint (Eocene ?). 
i 
-J 
Oolites. 
Kimeridge. 
Neconaian. 
* For the determination of this species, of which I have five specimens 
from Red Cliff and others from the Holderness clays, I am indebted to Mr. A. 
J. Jukes-Browne. 
