Sends paper read before Anthropological Institute ["Strictures on Darwinism, pt 1", J. Anthropol. Inst. 2 (1873): 21–40]. CD is his master, though they disagree.

Criticises Wallace’s "contemptuous phrases".

Is studying elevation and subsidence.

On the extinction of populations. [See Descent, 2d ed., p. 183.]

Thanks CD for subsidence references in response to HHH’s Nature paper ["The distribution of volcanoes", 9 (1874): 141–2].

Hopes to refer to CD’s having previously suggested the corresponding elevation of continents and sinking of the larger oceans in his next letter to Nature [9 (1874): 201–2]. Occurrence of volcanoes at boundary between rising and sinking lands reconciles his views with CD’s.

Sends paper ["Strictures on Darwinism, pt 2", J. Anthropol. Inst. 3 (1874): 208–28].

Refers to articles in the Art Journal on changes in English countenance since the Tudor period.