Italian translation [of Variation] is delayed, but printing should begin soon.

Will send CD one of his writings in which he defends the natural descent of man [Origin dell’uomo, 2d ed. (1870)].

CD’s theory is making great progress in Italy and daily gains supporters.

Thanks for his letter about her theory regarding aerolites. Has another query on this question.

On amount of modification and lines of descent in determining the position in man.

Reference to StGJM’s article "On the appendicular skeleton of the primates" Phil. Trans. R. Soc. [157 (1867): 299–430],

and his [and James Murie’s] article on lemurs ["On the anatomy of Lemuroidea"] Trans. Zool. Soc. [7 (1872): 1–114].