To J. D. Hooker 8 [February 1861]1
My dear Hooker
You mentioned in a former letter about rubbing in cod-liver oil.2 Etty cannot take it internally. I asked our Doctor here & he had never heard of such a thing.3 Emma & I would be much obliged for a little more information. How did you hear of it?4 Is evidence pretty good of benefit derived from rubbing in. As it would be a rather nasty proceeding for Etty to be thus basted, we should begin with more confidence, if we knew more. Will you take trouble to send us a line.—5
Yours affect— | C. Darwin
How long ought the oil to be rubbed in can you tell at all?
Henrietta’s continuing poor health. JDH’s suggestion to rub her with cod-liver oil.
Please cite as
Darwin Correspondence Project, “Letter no. 3060,” accessed on 23 July 2016, http://www.darwinproject.ac.uk/DCP-LETT-3060