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To Henry Johnson   23 December 1871

Summary

Is unable to accept invitation to Shrewsbury. Is grateful for offer of assistance at Wroxeter.

The weight of dry earth cast up by worms is 161/10 tons per acre annually.

Author:  Charles Robert Darwin
Addressee:  Henry Johnson
Date:  23 Dec 1871
Classmark:  Private collection
Letter no:  DCP-LETT-8118A

To Henry Lee   23 December [1871]

Summary

"I have now looked at both lots of specimens, & I think both are the variable L. anatifera.–– I have disarticulated the right-hand scutal valve in both & the umbonal teeth are plain in both … I have hardly any doubt that both are L. anatifera.––"

Author:  Charles Robert Darwin
Addressee:  Henry Lee
Date:  23 Dec [1871]
Classmark:  Kenneth W. Rendell (dealer) (1995)
Letter no:  DCP-LETT-8118B