[313] Cf. Doflein, Lehrbuch der Protozoenkunde, 1911, p. 422.
[314] Cf. Minchin, Introduction to the Study of the Protozoa, 1914 p. 293, Fig. 127.
[315] Cf. C. A. Kofoid and Olive Swezy, On Trichomonad Flagellates, etc. Pr. Amer. Acad. of Arts and Sci. LI, pp. 289–378, 1915.
[316] D. L. Mackinnon, Herpetomonads from the Alimentary Tract of certain Dungflies, Parasitology, III, p. 268, 1910.
[317] Proc. Roy. Soc. XII, pp. 251–257, 1862–3.
[318] Cf. (int. al.) Lehmann, Ueber scheinbar lebende Kristalle und Myelinformen, Arch. f. Entw. Mech. XXVI, p. 483, 1908; Ann. d. Physik, XLIV, p. 969, 1914.
[319] Cf. B. Moore and H. C. Roaf, On the Osmotic Equilibrium of the Red Blood Corpuscle, Biochem. Journal, III, p. 55, 1908.
[320] For an attempt to explain the form of a blood-corpuscle by surface-tension alone, see Rice, Phil. Mag. Nov. 1914; but cf. Shorter, ibid. Jan. 1915.
[321] Koltzoff, N. K., Studien über die Gestalt der Zelle, Arch. f. mikrosk. Anat. LXVII, pp. 364–571, 1905; Biol. Centralbl. XXIII, pp. 680–696, 1903, XXVI, pp. 854–863, 1906; Arch. f. Zellforschung, II, pp. 1–65, 1908, VII, pp. 344–423, 1911; Anat. Anzeiger, XLI, pp. 183–206, 1912.
[322] Cf. supra, p. 129.