Discusses Mivart’s reply ["Genesis of species", North Am. Rev. 114 (1872): 451–68] to CW’s review and to Huxley.
Asks whether CD knows anyone to whom he could usefully send a copy of his phyllotaxy paper [Mem. Am. Acad. Arts & Sci. n.s. 9 (1867–73): 379–415].