Asks her to probe worm-holes on grassy slopes with a knitting needle to ascertain whether they come out at right angles to the slope or to the horizon.

Gives results of probing worm-holes with wire.

Thanks for observations on angles of worm-holes on slopes. William Darwin is observing at Stonehenge. She is worth her weight in gold.

Describes earthworm experiments. She has measured depth of mould in various locales, e.g., on ridges and furrows of an old ploughed field.

P.S. Information on earthworm activity on chalk downs, including two rough sketches for CD.

Worm-casts on a ridged hill.

No summary available.