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series of 84 tests of six series of 16 syllables each and as is shown in Fig. 3.

The mean values here were 191, 224, 206, 218, 210, 213 seconds. They start in, as may be seen, considerably below the average, but rise immediately to a height which is not again reached in the further course of the test, and they then oscillate rather decidedly. An analogous course is shown by the numbers in the 7 tests of nine 12-syllable series, namely: 71, 90, 98, 87, 98, 90, 101, 86, 69 (Fig. 4).

Furthermore the values for 39 tests of six series of 13 syllables each obtained in time B were as follows: 118, 150, 158, 147, 155, 144 (Fig. 5 lower curve).

Those for 38 tests with eight 13 syllable series of time C were 139,159,167, 168, 160, 150,162,153 (Fig. 5 upper curve).

Finally the numbers obtained from seven tests with six stanzas of Byron’s “Don Juan” were: 189, 219, 171, 204 183, 229.