[149] "Abstract" is here used in the sense of "extract;" in this sense also it occurs in the Linnean Journal, where the sources of my father's paper are described.
[150] "On the tendency of Species to form Varieties and on the Perpetuation of Varieties and Species by Natural Means of Selection."—Linnean Society's Journal, iii. p. 53.
[151] This passage was published as a footnote in a review of the Life and Letters of Charles Darwin which appeared in the Quarterly Review, Jan. 1888. In the new edition (1891) of Natural Selection and Tropical Nature (p. 20), Mr. Wallace has given the facts above narrated. There is a slight and quite unimportant discrepancy between the two accounts, viz. that in the narrative of 1891 Mr. Wallace speaks of the "cold fit" instead of the "hot fit" of his ague attack.
[152] That is to say, he would help to pay for the printing, if it should prove too long for the Linnean Society.
[153] W. H. Harvey, born 1811, died 1866: a well-known botanist.
[154] See a discussion on the date of the earliest sketch of the Origin in the Life and Letters, ii. p. 10.
[155] The Origin of Species.
[156] Miss Tollett was an old friend of the family.
[157] In the first edition Chapter iv. was on Natural Selection.
[158] The following characteristic acknowledgment of the help he received occurs in a letter to Hooker, of about this time: "I never did pick any one's pocket, but whilst writing my present chapter I keep on feeling (even when differing most from you) just as if I were stealing from you, so much do I owe to your writings and conversation, so much more than mere acknowledgments show."