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[ ‘The Anatomy of Expression,’ 1844, p. 106. See also his paper in the ‘Philosophical Transactions,’ 1822, p. 284, ibid. 1823, pp. 166 and 289. Also ‘The Nervous System of the Human Body,’ 3rd edit. 1836, p. 175.]
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[ See Dr. Brinton’s account of the act of vomiting, in Todd’s Cyclop. of Anatomy and Physiology, 1859, vol. v. Supplement, p. 318.]
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[ I am greatly indebted to Mr. Bowman for having introduced me to Prof. Donders, and for his aid in persuading this great physiologist to undertake the investigation of the present subject. I am likewise much indebted to Mr. Bowman for having given me, with the utmost kindness, information on many points.]
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[ This memoir first appeared in the ‘Nederlandsch Archief voor Genees en Natuurkunde,’ Deel 5, 1870. It has been translated by Dr. W. D. Moore, under the title of “On the Action of the Eyelids in determination of Blood from expiratory effort,” in ‘Archives of Medicine,’ edited by Dr. L. S. Beale, 1870, vol. v. p. 20.]
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[ Prof. Donders remarks (ibid. p. 28), that, “After injury to the eye, after operations, and in some forms of internal inflammation, we attach great value to the uniform support of the closed eyelids, and we increase this in many instances by the application of a bandage. In both cases we carefully endeavour to avoid great expiratory pressure, the disadvantage of which is well known.” Mr. Bowman informs me that in the excessive photophobia, accompanying what is called scrofulous ophthalmia in children, when the light is so very painful that during weeks or months it is constantly excluded by the most forcible closure of the lids, he has often been struck on opening the lids by the paleness of the eye,—not an unnatural paleness, but an absence of the redness that might have been expected when the surface is somewhat inflamed, as is then usually the case; and this paleness he is inclined to attribute to the forcible closure of the eyelids.]