Forwards a book [Horace Dobell, Lectures on the germs and vestiges of disease (1861)] and a genealogical table at the author’s request.

Sends two [unidentified] papers on inheritance of medical malformations. Suggests that besides the inheritance of specific variations, the tendency to show variations in the same organ system (stomach, nervous, etc.) may also be inherited.

Will seek answers to CD’s questions on expression. Observing patients’ blushing. Is CD interested in the platysma during screaming under chloroform?

Thanks for Variation. Expects to be made more ashamed by his ignorance of the "influence of inheritance on the variations and mixtures of disease".

"I enclose a note from Lord Fitzwilliam about his horse with zebra-marks. The case seems as striking as I believed."