Encloses letters from H. G. Bronn, Asa Gray, and C. J. F. Bunbury, concerning the Origin.
Will send review by Gray and a notice by Bronn.
Says Bronn will superintend the German translation.
Comments on lecture by Huxley [at Royal Institution, 10 Feb 1860, Not. Proc. R. Inst. G. B. 3 (1858–62): 195–200]. Has remonstrated with him for saying sterility is "a universal and infallible criterion of species".