[4] See Bonnet, ‘Œuvres d’Hist. Nat.,’ tom. v., 1781, p. 339, for remarks on the budding-out of the amputated limbs of Salamanders.
[5] Paget, ‘Lectures on Pathology,’ 1853, p. 158.
[6] Ibid., pp. 152, 164.
[7] Translated in ‘Annals and Mag. of Nat. Hist.,’ April 1870, p. 272.
[8] Bischoff, as quoted by von Siebold, “Ueber Parthenogenesis,” ‘Sitzung der math. phys. Classe.’ Munich, Nov. 4th, 1871, p. 240. See also Quatrefages, ‘Annales des Sc. Nat. Zoolog.,’ 3rd series, 1850, p. 138.
[9] ‘On the Asexual Reproduction of Cecidomyide Larvæ,’ translated in ‘Annals and Mag. of Nat. Hist.,’ March 1866, pp. 167, 171.
[10] Prof. Allman speaks (‘Transact. R. Soc. of Edinburgh,’ vol. xxvi., 1870, p. 102) decisively on this head with respect to the Hydroida: he says, “It is a universal law in the succession of zooids, that no retrogression ever takes place in the series.”
[11] ‘Annals and Mag. of Nat. Hist.,’ 2nd series, vol. xx., 1857, pp. 153-455.
[12] ‘Annales des Sc. Nat.,’ 3rd series, 1850, tom. xiii.
[13] ‘Transact. Phil. Soc.,’ 1851, pp. 196, 208, 210; 1853 pp. 245, 247.