[26]

The opinions of psychologists concerning the æsthetic significance of smell, not on the whole very favorable, are brought together and discussed by J. V. Volkelt, "Der Æsthetische Wert der niederen Sinne," Zeitschrift für Psychologie und Physiologie der Sinnesorgane, 1902, ht. 3.

[27]

T. E. Shields, "The Effect of Odors, etc., upon the Blood-flow," Journal of Experimental Medicine, vol. i, November, 1896. In France, O. Henry and Tardif have made somewhat similar experiments on respiration and circulation. See the latter's Les Odeurs et les Parfums, Chapter III.

[28]

Féré, Sensation et Mouvement, Chapter VI; ib., Comptes Rendus de la Société de Biologie, November 3, December 15 and 22, 1900.