THE reviewer of Osborn's “From the Greeks to Darwin” (antea p. 362) says that Marshall quotes the fact of Wallace's being led “to the discovery of natural selection as he lay ill of intermittent fever at Ternate,” and refers one to the abridged form of the “Life and Letters of Charles Darwin” for this statement. Having only the original edition in three volumes, from the year 1887, at my disposal, wherein I cannot find it, I would draw attention to my having published the fact as far back as 1870 (“Charles Darwin and Alfred Russel Wallace. Ihre ersten Publicationen uber die Entstehung der Arten, nebst einer Skizze ihres Lebens und einem Verzeichniss ihrer Schriften.” Erlangen, E. Besold, 8vo, pp. xxiii. and 56, on page xviii.) The remarks to be found there are based upon a letter of Mr. Wallace's dated November 22, 1869, and now before me, a passage of which runs thus:—