(4) Healy, William. _Case Studies of Mentally and Morally Abnormal Types._ Cambridge, Mass., 1912. C. _Temperamental Differences_ 1. Systematic Treatises: (1) Fouillée, A. _Tempérament et caractère selon les individus, les sexes et les races._ Paris, 1895. (2) Hirt, Eduard. _Die Temperamente, ihr Wesen, ihre Bedeutung, für das seelische Erleben und ihre besonderen Gestaltungen._ "Grenzfragen des Nerven- und Seelenlebens," No. 40. Wiesbaden, 1905. (3) Hoch, A., and Amsden, G. S. "A Guide to the Descriptive Study of Personality," _Review of Neurology and Psychiatry_, (1913), pp. 577-87. (4) Kraepelin, E. _Psychiatrie._ Ein Lehrbuch für Studierende und Ärzte. Vol. IV, chap. xvi, pp. 1973-2116. 8th ed. 4 vols. Leipzig, 1909-15. (5) Loewenfeld, L. _Ueber die geniale Geistesthätigkeit mit besonderer Berücksichtigung des Genie's für bildende Kunst._ "Grenzfragen des Nerven- und Seelenlebens," No. 21. Wiesbaden, 1903. 2. Temperamental Types: (1) Lombroso, C. _The Man of Genius._ Translated from the Italian. London and New York, 1891. (2) ----. _L'uomo delinquente in rapporto all'antropologia, alla giurisprudenza ed alle discipline carcerarie._ 3 vols. 5th ed. Torino, 1896-97. (3) Goring, Charles. _The English Convict._ A statistical study. London, 1913. (4) Wilmanns, Karl. _Psychopathologie des Landstreichers._ Leipzig, 1906. (5) Downey, June E. "The Will Profile." A tentative scale for measurement of the volitional pattern. _University of Wyoming Bulletin_, Laramie, 1919. (6) Pagnier, A. _Le vagabond._ Paris, 1910. (7) Kowalewski, A. _Studien zur Psychologie der Pessimismus._ "Grenzfragen des Nerven- und Seelenlebens," No. 24. Wiesbaden, 1904. D. _Sex Differences_ (1) Ellis, H. H. _Man and Woman._ A study of human secondary sexual characters. 5th rev. ed. London and New York, 1914. (2) Geddes, P., and Thomson, J. A. _The Evolution of Sex._ London, 1889. (3) Thompson, Helen B. _The Mental Traits of Sex._ An experimental investigation of the normal mind in men and women. Chicago, 1903. (4) Montague, Helen, and Hollingworth, Leta S. "The Comparative Variability of the Sexes at Birth," _American Journal of Sociology_, XX (1914-15), 335-70. (5) Thomas, W. I. _Sex and Society._ Chicago, 1907. (6) Weidensall, C. J. _The Mentality of the Criminal Woman._ A comparative study of the criminal woman, the working girl, and the efficient working woman, in a series of mental and physical tests. Baltimore, 1916. (7) Hollingworth, Leta S. "Variability as Related to Sex Differences in Achievement," _American Journal of Sociology_, XIX (1913-14), 510-30. [Bibliography.] E. _Racial Differences_ (1) Boas, F. _The Mind of Primitive Man._ New York, 1911. (2) _Cambridge Anthropological Expedition to Torres Straits._ 5 vols. Cambridge, 1901-08. (3) Le Bon, G. _The Psychology of Peoples._ Its influence on their evolution. New York and London, 1898. [Translation.] (4) Reuter, E. B. _The Mulatto in the United States._ Boston, 1918.