108 Cf. Fr. Boas, Growth of Toronto Children, Rep. of U.S. Comm. of Education, 1896ã7, pp. 1541ã1599, 1898; Boas and Clark Wissler, Statistics of Growth, Education Rep. 1904, pp. 25ã132, 1906; H. P. Bowditch, Rep. Mass. State Board of Health, 1877; K. Pearson, On the Magnitude of certain coefficients of Correlation in Man, Pr. R. S. LXVI, 1900.
109 l.c. p. 42, and other papers there quoted.
111 Cf. St Loup, Vitesse de croissance chez les Souris, Bull. Soc. Zool. Fr. XVIII, 242, 1893; Robertson, Arch. f. Entwickelungsmech. XXV, p. 587, 1908; Donaldson. Boas Memorial Volume, New York, 1906.
112 Luciani e Lo Monaco, Arch. Ital. de Biologie, XXVII, p. 340, 1897.
113 Schaper, Arch. f. Entwickelungsmech. XIV, p. 356, 1902. Cf. Barfurth, Versuche û¥ber die Verwandlung der Froschlarven, Arch. f. mikr. Anat. XXIX, 1887.
114 Joh. Schmidt, Contributions to the Life-history of the Eel, Rapports du Conseil Intern. pour lãexploration de la Mer, vol. V, pp. 137ã274, Copenhague, 1906.
115 That the metamorphoses of an insect are but phases in a process of growth, was firstly clearly recognised by Swammerdam, Biblia Naturae, 1737, pp. 6, 579 etc.