[887] 'Parthenogenesis,' 1849, pp. 25-26. Prof. Huxley has some excellent remarks ('Medical Times,' 1856, p. 637) on this subject, in reference to the development of star-fishes, and shows how curiously metamorphosis graduates into gemmation or zoid-formation, which is in fact the same as metagenesis.
[888] Prof. J. Reay Greene, in Günther's 'Record of Zoolog. Lit.,' 1865, p. 625.
[889] Fritz Müller's 'Für Darwin,' 1864, s. 65, 71. The highest authority on crustaceans, Prof. Milne Edwards, insists ('Annal. des Sci. Nat.,' 2nd series, Zoolog., tom. iii. p. 322) on their metamorphoses differing even in closely allied genera.
[890] Prof. Allman, in 'Annals and Mag. of Nat. Hist.,' 3rd series, vol. xiii., 1864, p. 348; Dr. S. Wright, idem, vol. viii., 1861, p. 127. See also p. 358 for analogous statements by Sars.
[891] 'Tissus Vivants,' 1866, p. 22.
[892] 'Cellular Pathology,' translat. by Dr. Chance, 1860, pp. 14, 18, 83, 460.
[893] Paget, 'Surgical Pathology,' vol. i., 1853, pp. 12-14.
[894] Idem, p. 19.
[895] Mantegazza, quoted in 'Popular Science Review,' July 1865, p. 522.
[896] 'De la Production Artificielle des Os,' p. 8.