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Darwin Correspondence Project


From Francis Wedgwood   9 January 1871


Jan 9 1871

Dear Charles

My letter shows how writers with the matter clear in their own heads manage to write obscurely to readers1

The cross section was put in to save writing & has signally failed— it shows the width of the ridges between the furrows marked A

The depth of the furrows by a line stretched from summit to summit at the bottom of the slope marked B

The depth of the furrows at the top of the slope taken in the same way marked C

The D & E only show that the 2 trenches were not cut across the same furrow. The depth of the furrow cut across at D above the bridle road is 434 inches as given. The depth of the furrow cut across at E below the bridle road is (not 634 as above the bridle road) but 614—probably only an accidental variation

The “difference in the soil top & bottom” should be written

“There is a difference in the color & fineness of the soil between the surface & the bottom of the trenches but so gradual &c”

I hope I have made it plain—if not send it me back & I will—

Your affectionate brother | F Wedgwood


See letter from Francis Wedgwood, 4 January 1871.


Appearance and depth of furrows in old field.

Letter details

Letter no.
Wedgwood, Francis
Darwin, C. R.
Sent from
Source of text
DAR 181: 51
Physical description

Please cite as

Darwin Correspondence Project, “Letter no. 7433,” accessed on 24 October 2016,