STATHER : BELEMNITES OF THE YORKSHIRE CHALK. 249 
^ ^ Diagram showing the actual depth of alveolars of 
^ § Belemnites, in stratigraphical order, from the Upper Chalk of 
g I Yorkshire : — 
I 1 A- 
^ § From the White Hill Quarry, From Coast Section between- 
c " 
e6 ec 
^ Co 
Bridlington , . . . G50' Sewerby and Danes Dykes 400' 
A" 
.£ Bessingby Quarry, Brid. . . 600' „ 350' 
O ^ 
^ c 
Kuston Parva Quarry .. 570' Danes Dykes and South Landing . . 150' 
N 
1 
C3 Coast Section between — 
% ^ Sewerby and Danes Dykes .. 530' „ „ 120' 
B 
^ 500' South Landing and High Stacks. . 60' 
©, ^ 
I ^ „ 470' „ „ 20' 
.s ^ — 

^ ^ 440' North of High Stacks 
2 3»HCHE5 
