[148] Uhlenhuth, E., ibid., 1913, xxxvi., 211.

[149] Loeb, Leo, Zentralbl. f. allg. Path. u. path. Anat., 1907, xviii., 563; Zentralbl. f. Physiol., 1908, xxii., 498; 1909, xxiii., 73; 1910, xxiv., 203; Arch. f. Entwcklngsmech., 1909, xxvii., 89, 463; Jour. Am. Med. Assoc., 1908, l., 1897; 1909, liii., 1471.

[150] Quoted from M. Caullery, Les Problèmes de la Sexualité, Paris, 1913, p. 126.

[151] Smith, Geoffrey, Proc. Roy. Soc., B. 1915, lxxxviii., 418.

[152] Loeb, J., Bot. Gazette, 1915, lx., 249.

[153] With larger leaves the experi­ment may also succeed in moist air.

[154] Loeb, J., Untersuchungen zur physiologischen Morphologie. I. Heteromorphose. 1891. II. Organbildung und Wachsthum. Würzburg, 1892.

[155] Bickford, E. E., Jour. Morphol., 1894, ix., 417.

[156] Driesch, H., Science and Philosophy of the Organism, i., 127.

[157] Child, C. M., “Die physiologische Isola­tion von Teilen des Organismus,” Roux’s Vorträge und Aufsätze, Leipzig, 1911.