[165] This holds good of a south European country, taken separately. A chart of the annual incidence of suicide by hanging, in Roumania, presented by Minovici (_Archives d'Anthropologie Criminelle_, 1905, p. 587), shows climaxes of equal height in May and September.
[167] Ogle himself was inclined to think that these breaks were accidental, being unaware of the allied phenomena with which they may be brought into line. It is true that (as Gaedeken objects to me) the autumnal break is very slight, but it is probably real when we are dealing with so large a mass of data.
[168] _Pedagogical Seminary_, June, 1891, p. 298. For a very full summary and bibliography of investigations regarding growth, see F. Burk, "Growth of Children in Height and Weight," _American Journal of Psychology_, April, 1898.
[170] _Lancet_, June 6, 1891. Edward Smith had pointed out many years earlier that scarlet fever is most fatal in periods of increasing vitality.
[171] Havelock Ellis, "The Bladder as a Dynamometer," _American Journal of Dermatology_, May, 1902.
[172] See, e.g., summary in _Internationales Centrablatt für Anthropologie_, 1902, Heft 4, p. 207.
[173] Summarized in _Zeitschrift für Psychologie der Sinnesorgane_, 1903, p. 135.
[174] Camerer found that from September to November is the period of greatest metabolic activity.
[175] Haig, _Uric Acid_, 6th edition, 1903, p. 33.
AUTO-EROTISM: A STUDY OF THE SPONTANEOUS MANIFESTATIONS OF THE SEXUAL IMPULSE.
Definition of Auto-erotism--Masturbation only Covers a Small Portion of the Auto-erotic Field--The Importance of this Study, especially To-day--Auto-erotic Phenomena in Animals--Among Savage and Barbaric Races--The Japanese _rin-no-tama_ and other Special Instruments for Obtaining Auto-erotic Gratification--Abuse of the Ordinary Implements and Objects of Daily Life--The Frequency of Hair-pin in the Bladder--The Influence of Horse-exercise and Railway Traveling--The Sewing-machine and the Bicycle--Spontaneous Passive Sexual Excitement--_Delectatio Morosa_--Day-dreaming--_Pollutio_--Sexual Excitement During Sleep--Erotic Dreams--The Analogy of Nocturnal Enuresis--Differences in the Erotic Dreams of Men and Women--The Auto-erotic Phenomena of Sleep in the Hysterical--Their Frequently Painful Character.