[275] Page 223.

[276] Page 225.

[277] 'Phil. Zool.,' tom. i. p. 225.

[278] Page 226.

[279] 'Phil. Zool.,' tom. i. p. 228.

[280] See Buffon, 'Hist. Nat.,' tom. v. pp. 196, 197, and Supp. tom. v. pp. 250-253.

[281] 'Phil. Zool.,' tom. i. p. 229.

[282] 'Hist. Nat.,' tom. xi. p. 290.

[283] 'Phil. Zool.,' tom. i. p. 231.

[284] Page 231. See Dr. Darwin's note on Trapa natans, 'Botanic Garden,' part ii. canto 4, l. 204.