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

by Charles Darwin

[449] ‘Zeitschrift für wissenschaft. Zoolog.’ B. xvii. 1867, s. 152-158.

[450] I am indebted to Mr. Walsh for having sent me this extract from a ‘Journal of the Doings of Cicada septemdecim,’ by Dr. Hartman.

[451] L. Guilding, ‘Transact. Linn. Soc.’ vol. xv. p. 154.

[452] Köppen, as quoted in the ‘Zoological Record,’ for 1867, p. 460.

[453] Gilbert White, ‘Nat. Hist. of Selborne,’ vol. ii. 1825, p. 262.

[454] Harris, ‘Insects of New England,’ 1842, p. 128.

[455] ‘The Naturalist on the Amazons,’ vol. i. 1863, p. 252. Mr. Bates gives a very interesting discussion on the gradations in the musical apparatus of the three families. See also Westwood, ‘Modern Class.’ vol. ii. p. 445 and 453.

[456] ‘Proc. Boston Soc. of Nat. Hist.’ vol. xi. April, 1868.

[457] ‘Nouveau Manuel d’Anat. Comp.’ (French translat.), tom. i. 1850 p. 567.

[458] ‘Zeitschrift für wissenschaft. Zoolog.’ B. xvii. 1867, s. 117.