76

March 1881 Beachy Head on inland side

[annotated sketch of slope] angle about 25°

thickness of mould 3 1/2 to 5

here tuft

thickness of mould on a large patch where there are no tufts 2 1/4 to 3 inches

mould here

here tuft

thickness of mould 4 to 5 inches taking average of 9 tufts – average thickness of mould about 4.5 inches – and thickness of mould at same levels on each side 3.3 on left and 3.75 on right average thickness of 5 measurements just above & below tufts is 3.1

Length of little ledge for a few inches to 2 or 3 ft in length – Horizontal with course grass sticking up in tufts

Triangling

[Darwin wrote in Earthworms, pp. 280-281, "Another of my sons [Francis] observed, on the inland side of Beachy Head, where the surface sloped at about 25°, many short little embankments like those just mentioned.]

76v

In lower part signs of both embankments by walked along by sheep fairly plain but in upper part of Hill – no signs of in many cases on the shallow embankments.