, 582.

[116] Yarrell, 'Phil. Transact.,' 1827, p. 268; Dr. Hamilton, in 'Proc.
Zoolog. Soc.,' 1862, p. 23.

[117] 'Archiv. Skand. Beitraege zur Naturgesch.,' viii. s. 397-413.

[118] In his 'Essays on Nat. Hist.,' 1838. Mr. Hewitt gives analogous cases
with hen-pheasants in 'Journal of Horticulture,' July 12, 1864, p. 37.
Isidore Geoffroy Saint Hilaire, in his 'Essais de Zoolog. Gen.' (suites a
Buffon, 1842, pp. 496-513), has collected such cases in ten different kinds
of birds. It appears that Aristotle was well aware of the change in mental
disposition in old hens. The case of the female deer acquiring horns is
given at p. 513.

[119] 'Cottage Gardener,' 1860, p. 379.

[120] 'Art de faire Eclorre,' &c., 1749, tom. ii. p. 8.

[121] Sir H. Holland, 'Medical Notes and Reflections,' 3rd edit., 1855, p.
31.

[122] Prof. Thomson on Steenstrup's Views on the Obliquity of Flounders:
'Annals and Mag. of Nat. Hist.,' May, 1865, p. 361.

[123] Dr. E. von Martens, in 'Annals and Mag. of Nat. Hist.,' March, 1866,
p. 209.

[124] Darwin, 'Balanidae,' Ray Soc., 1854, p. 499: _see_ also the appended
remarks on the apparently capricious development of the thoracic limbs on
the right and left sides in the higher crustaceans.

[125] Mormodes ignea: Darwin, 'Fertilization of Orchids,' 1862, p. 251.

[126] 'Journal of Horticulture,' July, 1864, p. 38. I have had the
opportunity of examining these remarkable feathers through the kindness of
Mr. Tegetmeier.

[127] 'The Poultry Book,' by Mr. Tegetmeier, 1866, p. 241.

[128] Carl Vogt, 'Lectures on Man,' Eng. translat., 1864, p. 411.

[129] On Cattle, p. 174.

[130] Isid. Geoffroy St. Hilaire, 'Des Anomalies,' tom. iii. p. 353. With
respect to the mammae in women, _see_ tom. i. p. 710.

[131] 'Natural Hist. Review,' April, 1863, p. 258. _See_ also his Lecture,
Royal Institution, March 16, 1860. On same subject, _see_ Moquin-Tandon,
'Elements de Teratologie,' 1841, pp. 184, 352.

[132] Verlot, 'Des Varietes,' 1865, p. 89; Naudin, 'Nouvelles Archives du
Museum,' tom. i. p. 137.

[133] In his discussion on some curious peloric calceolarias, quoted in
'Journal of Horticulture,' Feb. 24, 1863, p. 152.

[134] For other cases of six divisions in peloric flowers of the Labiatae
and Scrophulariaceae, _see_ Moquin-Tandon, 'Teratologie,' p. 192.

[135] Moquin-Tandon, 'Teratologie,' p. 186.

[136] _See_ Youatt on Cattle, pp. 92, 69, 78, 88, 163: also Youatt on
Sheep, p. 325. Als