Delayed answering JH's letter until HH could find details of works by 'Göttingen Professor,' but has had difficulty in locating them. Any treatise connecting epidemics with fungous origins would be of interest. Will bring distressing medical case to attention of one of HH's committees. HH's Medical Notes and Reflections, 3rd edition (1855).

Marriage of HH's eldest daughter. Thanks for JH's letter of introduction to George Bishop and J. R. Hind.

Thanks for congratulations on marriage of HH's daughter. Notes HH's review of J. C. Prichard's Natural History of Man in December issue of Quarterly Review, written while on holiday in Armenia.

No summary available.

Comments on JH's paper on Sensorial Vision (1858). Covered some of this ground in HH's own book, Mental Physiology (1852).

Comments on the Origin. Outlines difficulties he finds in CD’s theory. Believes CD must define natural selection more accurately and mentions instances in which that principle is an insufficient cause to account for the form of certain structures.