[717] 'An Essay on Animal Reproduction,' Eng. translat., 1769, p. 79.
[718] Carpenter's 'Principles of Comp. Physiology,' 1854, p. 479.
[719] Charlesworth's 'Mag. of Nat. Hist.,' vol. i., 1837, p. 145.
[720] Paget, 'Lectures on Surgical Pathology,' vol. i. p. 239.
[721] Quoted by Carpenter, 'Comp. Phys.,' p. 479.
[722] Paget, 'Lectures,' &c., p. 257.
[723] These cases are given by Blumenbach in his 'Essay on Generation,' pp. 52, 54.
[724] 'Cellular Pathology,' trans. by Dr. Chance, 1860, pp. 27, 441.
[725] Paget, 'Lectures on Pathology,' vol. i., 1853, p. 357.
[726] Paget, idem, p. 150.