ON THE ALLUVIUM OF THE BEDFORD LEVEL. 
75 
then, bluish gault, which the workmen judged to have been silt 
originally, because being dry, it not only crumbled like it, 
but had the roots of woods in it ; then below it, moor of three 
feet thickness, much firmer and cleaner than the other ; and 
lastly, whitish clay, which is supposed to have been the very na" 
tural and bottom soil at the first, before those changes happened, 
either from the alterations of the course of the sea, or choking up 
of these outfalls." 
A second section was acquired from a boring made adjoining 
to the river Ouse, at Magdakn Bridge ; the following beds were 
pierced. 
ft. 
in. 
1. Light soil and silt 
5 
8 
2. Strong red clay, very stiff 
2 
4 
3. Blue silt and clay 
1 
2 
4. Moor 
2 to 3 
0 
5. Blue loam and clay 
6 to 8 
0 
6. Moor 
2 to 3 
0 
7. Black sand and gravel 
2 
4 
8. Yellow sand and gravel 
2 
6 
In making the Eaubrink-cut to 
Lynn the beds exposed 
were : — 
Section 3. 
ft. in, 
1. Vegetable soil and brown clay with sand . 4 0 
2. Blue clay, a brick earth . . . . 3 0 
3. Peat containing bones and horns of ruminants . 2 6 
4. Blue clay, the upper part a black shingle . 8 0 
5. Peat with alder and hazel bushes, the lower 
portion, clay containing roots of marsh plants . 3 0 
6. Dark blue clay, a marine silt, containing the 
following shells in great abundance ; 
Cardium edule, Mytilus edulis, Tellina solidula, Lutraria 
compressa, and Turbo ulvse ; this bed was not cut through. 
A well sunk nearly in the centre of the town of Lynn afforded 
the following section, No, 4. 
