[27] Archiv f. Psychiatrie, 1868.

[28] Cited by Griesinger, edition 1845, p. 252.

[29] Recherches sur les Idiots, 1860.

[30] Cited by Havelock Ellis, The Criminal, p. 29.

[31] Gulstonian Lectures, 1870.

[32] See, for instance, Art. “Microcephaly,” Dict. of Psych. Medicine, and, especially, Mingazzini’s study of the morphology of cerebral hemispheres, Il Cervello, 1895.

[33] Psychologie Naturelle.

[34] Journal of Mental Science, 1870.

[35] American Prison Association Report, 1866.

[36] Deterioration and Race Education, 1876.