Mnemonic devices prompt children to change rings to keep appointments, tie knots in the handkerchief, put shoes on the dressing-table, hide garments, associate faces with hoods, names with acts, things, or qualities they suggest; visualize, connect figures, letters with colors, etc. From a scrutiny of the original material, which I was kindly allowed to make, this appears to rise rapidly at puberty. [Footnote 1: See my Ideal School as Based on Child Study. Proceedings of the National Educational Association, 1901, pp. 470-490.] [Footnote 2: Charles P.G. Scott: The Number of Words in the English and Other Languages. Princeton University Bulletin, May, 1902, vol. 13, pp. 106-111.] [Footnote 3: The Teaching of English. Pedagogical Seminary, June, 1902, vol. 9, pp. 161-168.] [Footnote 4: See my Some Aspects of the Early Sense of Self. American Journal of Psychology, April, 1898, vol. 9, pp. 351-395.] [Footnote 5: Sprachgeschichte und Sprachpsychologie, mit Rucksicht auf B. Delbrück's "Grundfragen der Sprachforschung." Leipzig, W. Engelmann, 1901] [Footnote 6: Latin in the High School. By Edward Conradi. Pedagogical Seminary, March, 1905, vol. 12, pp. 1-26.] [Footnote 7: The Psychological and Pedagogical Aspect of Language. Pedagogical Seminary, December, 1903, vol. 10, pp. 438-458.] [Footnote 8: Children's Interest in Words. Pedagogical Seminary, September, 1902, vol. 9, pp. 274-295.] [Footnote 9: Children's Interests in Words, Slang, Stories, etc. Pedagogical Seminary, October, 1903, vol. 10, pp. 359-404.] [Footnote 10: American Journal of Psychology, April, 1900, vol. 11, p. 345 _et seq._] [Footnote 11: American Journal of Psychology, January, 1895, vol. 6, pp. 585-592. See also vol. 10, p. 517 _et seq._] [Footnote 12: North American Review, November, 1885, vol. 141, pp. 431-435.] [Footnote 13: Introduction to the Biglow Papers, series ii.] [Footnote 14: Some Observations on Children's Reading. Proceedings of the National Educational Association, 1897, pp. 1015-102l.] [Footnote 15: Report on Child Reading. New York Report of State Superintendent, 1897, vol. 2, p. 979.] [Footnote 16: Children's reading. North-Western Monthly, December, 1898, vol. 9, pp. 188-191, and January, 1899, vol. 9, pp. 229-233.] [Footnote 17: A study of Children's Reading Tastes. Pedagogical Seminary, December, 1899, vol. 6, pp. 523-535.]