[Footnote 172: Bardier: Richet’s Dictionnaire de Physiologie, article Faim, 1904, vi, p. 1. See, also, Howell: Text-book of Physiology, fourth edition, Philadelphia and London, 1911, p. 285.] [Footnote 173: See Sternberg: Zentralblatt für Physiologie, 1909, xxii, p. 653. Similar views were expressed by Bayle in a thesis presented to the Faculty of Medicine in Paris in 1816.] [Footnote 174: See Hertz: The Sensibility of the Alimentary Canal, London, 1911, p. 38.] [Footnote 175: Schiff: Physiologie de la Digestion, Florence and Turin, 1867, p. 40.] [Footnote 176: Luciani: Das Hungern, Hamburg and Leipzig, 1890, p. 113.] [Footnote 177: Tigerstedt: Nagel’s Handbuch der Physiologie, Berlin, 1909, i, p. 376.] [Footnote 178: Johanson, Landergren, Sonden and Tigerstedt: Skandinavisches Archiv für Physiologie, 1897, vii, p. 33.] [Footnote 179: Carrington: Vitality, Fasting and Nutrition, New York, 1908, p. 555.] [Footnote 180: Viterbi, quoted by Bardier: _Loc. cit._, p. 7.] [Footnote 181: Busch: Archiv für pathologische Anatomie und Physiologie und für klinische Medicin, 1858, xiv, p. 147.] [Footnote 182: See Schiff: _Loc. cit._, p. 37; also Ducceschi; Archivio di Fisiologia, 1910, viii, p. 579.] [Footnote 183: Longet: Traité de Physiologie, Paris, 1868, i, p. 23.] [Footnote 184: Ludwig: Lehrbuch der Physiologie des Menschen, Leipzig and Heidelberg, 1858, ii, p. 584.] [Footnote 185: Maxwell: Journal of Biological Chemistry, 1906-7, ii, p. 194.] [Footnote 186: See Schiff: _Loc. cit._, p. 49.] [Footnote 187: See Schiff: _Loc. cit._, p. 31; Bardier; _Loc. cit._, p. 16.] [Footnote 188: Head: Brain, 1893, xvi, p. 1; 1901, xxiv, p. 345.] [Footnote 189: Nicolai: Ueber die Entstehung des Hungergefühls, Inaugural Dissertation, Berlin, 1892, p. 17.] [Footnote 190: Beaumont: The Physiology of Digestion, second edition, Burlington, 1847, p. 51.] [Footnote 191: Nicolai: _Loc. cit._, p. 15.] [Footnote 192: Beaumont: _Loc. cit._, p. 55.] [Footnote 193: Luciani: Archivio di Fisiologia, 1906, iii, p. 54. Tiedemann long ago suggested that gastric nerves become increasingly sensitive as fasting progresses. (Physiologie des Menschen, Darmstadt, 1836, iii, p. 22.)] [Footnote 194: Valenti: Archives Italiennes de Biologie, 1910, liii, p. 94.] [Footnote 195: Weber: Wagner’s Handwörterbuch der Physiologie, 1846, iii², p. 580.] [Footnote 196: Vierordt: Grundriss der Physiologie, Tübingen, 1871, p. 433.] [Footnote 197: Schiff: _Loc. cit._, p. 33.] [Footnote 198: Luciani: _Loc. cit._, p. 542.] [Footnote 199: Valenti: _Loc. cit._, p. 95.] [Footnote 200: Bettmann: Philadelphia Monthly Medical Journal, 1899, i, p. 133.] [Footnote 201: Wolff: Dissertation, Giessen, 1902, p. 9.] [Footnote 202: His: Archiv für Anatomie, 1903, p. 345.] [Footnote 203: Boldireff: _Loc. cit._, p. 1.] [Footnote 204: Boldireff: _Loc. cit._, p. 96.] [Footnote 205: See Cannon and Lieb: American Journal of Physiology, 1911, xxix, p. 267.]