The Descent of Man and Selection in Relation to Sex, Vol. I

by Charles Darwin

[439] Robinet, ‘Vers à Soie,’ 1848, p. 207.

[440] ‘Transact. Ent. Soc.’ 3rd series, vol. v. p. 486.

[441] ‘Journal of Proc. Ent. Soc.’ Feb. 4th, 1867, p. lxxi.

[442] For this and other statements on the size of the sexes, see Kirby and Spence, ibid. vol. iii. p. 300; on the duration of life in insects, see p. 344.

[443] ‘Transact. Linnean Soc.’ vol. xxvi. 1868, p. 296.

[444] ‘The Malay Archipelago,’ vol. ii. 1869, p. 313.

[445] ‘Modern Classification of Insects,’ vol. ii. 1840, p. 526.

[446] See Mr. B. T. Lowne’s very interesting work, ‘On the Anatomy of the Blow-Fly, Musca vomitoria,’ 1870, p. 14.

[447] Westwood, ‘Modern Class. of Insects,’ vol. ii. p. 473.

[448] These particulars are taken from Westwood’s ‘Modern Class. of Insects,’ vol. ii. 1840, p. 422. See, also, on the Fulgoridæ, Kirby and Spence, ‘Introduct.’ vol. ii. p. 401.