s de tout phenomene d'oppression."

[605] Isid. Geoffroy St. Hilaire, 'Hist. des Anomalies,' tom. iii. p. 352;
Moquin Tandon, 'Teratologie Vegetale,' 1841, p. 115.

[606] Metzger, 'Die Getreidearten,' 1841, s. 39.

[607] On the date-palm, _see_ Vogel, 'Annals and Mag. of Nat. Hist.,' 1854,
p. 460. On Indian varieties, Dr. F. Hamilton, 'Transact. Linn. Soc.,' vol.
xiv. p. 296. On the varieties cultivated in Tahiti, _see_ Dr. Bennett, in
Loudon's 'Mag. of N. Hist.,' vol. v., 1832, p. 484. Also Ellis, 'Polynesian
Researches,' vol. i. pp. 375, 370. On twenty varieties of the Pandanus and
other trees in the Marianne Island, _see_ 'Hooker's Miscellany,' vol. i. p.
308. On the bamboo in China, _see_ Huc's 'Chinese Empire,' vol. ii. p. 307.

[608] 'Treatise on the Culture of the Apple,' &c., p. 3.

[609] Gallesio, 'Teoria della Riproduzione Veg.,' p. 125.

[610] _See_ Dr. Hooker's Memoir on Arctic Plants in 'Linn. Transact.,' vol.
xxiii, part ii. Mr. Woodward, and a higher authority cannot be quoted,
speaks of the Arctic mollusca (in his 'Rudimentary Treatise,' 1856, p. 355)
as remarkably subject to variation.

[611] Bechstein, in his 'Naturgeschichte der Stubenvoegel,' 1840, s. 238,
has some good remarks on this subject. He states that his canary-birds
varied in colour, though kept on uniform food.

[612] 'The Plant,' by Schleiden, translated by Henfrey, 1848, p. 169. _See_
also Alex. Braun, in 'Bot. Memoirs,' Ray. Soc., 1853, p. 313.

[613] Messrs. Hardy and Son, of Maldon, in 'Gard. Chronicle,' 1856, p. 458.

[614] 'Quadrupedes du Paraguay,' 1801, tom. ii. p. 319.

[615] McClelland on Indian Cyprinidae, 'Asiatic Researches,' vol. xix. part
ii., 1839, pp. 266, 268, 313.

[616] Quoted by Sageret, 'Pom. Phys.,' 1830, p. 43.

[617] 'The Fruits of America,' 1845, p. 5.

[618] M. Cardan, in 'Comptes Rendus,' Dec. 1848, quoted in 'Gard.
Chronicle,' 1849, p. 101.

[619] M. Alexis Jordan mentions four excellent pears found in woods in
France, and alludes to others ('Mem. Acad. de Lyon,' tom. ii. 1852, p.
159). Poiteau's remark is quoted in 'Gardener's Mag.,' vol. iv., 1828, p.
385. _See_ 'Gard. Chronicle,' 1862, p. 335, for another case of a new
variety of the pear found in a hedge in France. Also for another case,
_see_ Loudon's 'Encyclop. of Gardening,' p. 901. Mr. Rivers has given me
similar information.

[620] Duval, 'Hist. du Poirier,' 1849, p. 2.

[621] I infer that this is the fact from Van Mons' statement ('