Has caught a frog and examined its possibly rudimentary toe. Asks THH if he will dissect it.
Has heard THH is abused in Edinburgh Review and in Anthropological Review [reviews of Man’s place in nature, Edinburgh Rev. 117 (1863): 541–69 and Anthrop. Rev. 1 (1863): 107–17].
Owen on heterogeny and the aye-aye.
Has been very ill.