DAVIS: FISH- REMAINS IN THE COAL-MEASURES. 41 
FT. IN. 
Thornhill Rock 
... 120 
0 
Blue Argillaceous Shale 
.. 16 
0 
Joan Coal 
1 
r 4 
Blue Argillaceous Shale 
.. 24 
0 
Coal 
0 
10 
Seat Earth ... 
6 
0 
Blue Shale, with layers of Ironstone 
.. 13 
0 
White Earth, with bands of Ironstone 
... 7 
0 
Black Shale, with Anthracosia . . . 
3 
0 
Adwalton Stone Coal 
1 
10 
Seat Earth 
2 
0 
Strong White Stone 
.. 17 
0 
Blue Shale 
4 
0 
Black Coal ... 
0 
7 
White Stone and Shale ... 
.. 31 
0 
Forty-yards Coal 
3 
0 
Seat Earth 
3 
0 
Blue Shales, &c. 
.. 43 
0 
First Brown Metal Coal 
2 
0 
Strong Sandy Shale 
.. 24 
0 
Second Brown Metal Coal ... 
1 
10 
Seat Earth 
3 
0 
Soft Blue Shale, with Ironstone . . . 
.. 10 
0 
Coal... 
0 
9 
Blue Shale and Ironstone 
.. 25 
0 
Sandstone 
.. 20 
0 
Blue Shale 
.. 12 
0 
Middleton Little Coal 
2 
10 
Seat Earth 
4 
0 
Measures 
.. 75 
0 
Middleton Main Coal 
4 
Measures 
.. 40 
0 
Middleton Eleven-yards Coal 
2 
Measures 
.. 40 
0 
Blocking Coal (or Silkstone) 
3 
4 
The Adwalton Stone Coal or Blendings consists of two or 
more thin beds of cannel coal, with partings of shales more 
or less bituminous, and occasionally interbedded with thin 
