[349] Prof. Sachs (‘Lehrbuch der Botanik,’ 1870, s. 633) in speaking of the male and female reproductive cells, remarks, “verhält sich die eine bei der Vereinigung activ, ... die andere erscheint bei der Vereinigung passiv.”
[350] ‘Reise der Novara: Anthropolog. Theil,’ 1867, s. 216-269. The results were calculated by Dr. Weisbach from measurements made by Drs. K. Scherzer and Schwarz. On the greater variability of the males of domesticated animals, see my ‘Variation of Animals and Plants under Domestication,’ vol. ii. 1868, p. 75.
[351] ‘Proceedings Royal Soc.’ vol. xvi. July, 1868, p. 519 and 524.
[352] ‘Proc. Royal Irish Academy,’ vol. x. 1868, p. 123.
[353] ‘Massachusetts Medical Soc.’ vol. ii. No. 3, 1808, p. 9.
[354] ‘The Variation of Animals and Plants under Domestication,’ vol. ii. 1868, p. 75. In the last chapter but one, the provisional hypothesis of pangenesis, above alluded to, is fully explained.
[355] These facts are given on the high authority of a great breeder, Mr. Teebay, in Tegetmeier’s ‘Poultry Book,’ 1868, p. 158. On the characters of chickens of different breeds, and on the breeds of the pigeon, alluded to in the above paragraph, see ‘Variation of Animals,’ &c., vol. i. p. 160, 249; vol. ii. p. 77.
[356] ‘Novæ species Quadrupedum e Glirium ordine,’ 1778, p. 7. On the transmission of colour by the horse, see ‘Variation of Animals, &c. under Domestication,’ vol. i. p. 21. Also vol. ii. p. 71, for a general discussion on Inheritance as limited by Sex.
[357] Dr. Chapuis, ‘Le Pigeon Voyageur Belge,’ 1865, p. 87. Boitard et Corbié, ‘Les Pigeons de Volière,’ &c., 1824, p. 173.
[358] References are given in my ‘Variation of Animals under Domestication,’ vol. ii. p. 72.