418 ([return])
[ ‘Lehrbuch der Histologie des Menschen,’ 1857, s. 82. I owe to Prof. W. Turner’s kindness an extract from this work.]

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419 ([return])
[ ‘Quarterly Journal of Microscopical Science,’ 1853, vol. i. p. 262.]

[ [!-- Note --]

420 ([return])
[ ‘Lehrbuch der Histologie,’ 1857, s. 82.]

[ [!-- Note --]

421 ([return])
[ ‘Dictionary of English Etymology,’ p. 403.]

[ [!-- Note --]

422 ([return])
[ See the account of the habits of this animal by Dr. Cooper, as quoted in ‘Nature,’ April 27, 1871, p. 512.]

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