When compared with
the English annual ecbolic curves (W.K. and Perry-Coste), both
spring and autumn maxima fall rather later, but all agree in
representing the autumn rise as the chief climax.
The annual curve of A.N. (_ante_ p. 117), who lives in Indiana,
U.S.A., also covers four years. It presents the usual spring
(May-June, in this case) and autumn (September-October) climaxes.
The exact monthly results, summated for the four years, are given
below; in order to allow for the irregular lengths of the months,
I have reduced them to daily averages, for convenience treating
the four years as one year:--
Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec.
13 9 13 20 23 22 20 20 21 23 9 16
.42 .32 .42 .66 .74 .73 .64 .64 .70 .74 .30 .52
In his book on _Adolescence_, Stanley Hall refers to three
ecbolic records in his possession, all made by men who were
doctors of philosophy, and all considering themselves normal. The
best of these records made by "a virtuous, active and able man,"
covered nearly eight years. Stanley Hall thus summarizes the
records, which are not presented in detail: "The best of these
records averages about three and a half such experiences per
month, the most frequent being 5.14 for July, and the least
frequent 2.
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