J. E. Wallace Wallin, 
124 
C. O. S., Table LXXVIL), and 0.63s for poetry ( J. W. R., Table 
LXXII.); the shortest for prose, 0.443 (G. A. A., Table LXXVII.), and 
for poetry, 0.30s (C. O., Table LXXX.). The range seems larger in 
poetry. 
In 69 </0 of the records the largest deviations from the average were 
those of excess; in 27%, of deficiency; and about 3% were equal. 
The average duration of these intervals for different kinds of speech is 
somewhat below half a second (0.44s). This corresponds closely with 
Meumann’s period (0.408) for purely subjective rhythmisation. 
The averages for a variety of sentences of English prose (0.48s) and a 
variety of verses of English poetry (0.46s) are practically equal. The 
tendency, barely perceptible, is towards a longer interval in prose. The 
intervals in the poetry measured were predominantly 2-syllable. 
The average is longer in verses consisting uniformly of 2-syllable inter¬ 
vals, than in verses consisting of a haphazard alternation of 1-, 2-, 3-, 4-, 
and 5-syllable intervals, provided that the number of 1-syllable is higher 
than the number of 3-, 4-, and 5-syllable intervals. The average for 
the verses of Tennyson was 0.51s; for those of Browning, 0.34s 
(Table LXXXII.). The latter contained numerous i-syllable inter¬ 
vals. So did those of Byron where the average was 0.41s (W. W., Table 
LXXII.). 
The inequality in the lengths of these intervals in various kinds of 
speech is about 0.08s, or 19% of the average length. 
The regularity for a given series of records of a variety of poetical 
verses of the predominantly 2-syllable type of intervals, scanned accord¬ 
ing to the four types of scansion will be about 8% higher than that for 
records of a variety of prose sentences spoken in various ways (21 <jc, 
av. irregularity of Tables LXXVII. and LXXXIII. ). This is exclusive of 
the Japanese and Persian records. For records of English verses com¬ 
posed mainly of the 2-syllable pattern, the scansion of which is rhyth¬ 
mically free, it will probably be about 6% higher than for records of 
English prose, the rendering of which is rhythmically free (irregularity 
23%, Table LXXVIL). 
The most regular coordinations in prose (15%, S. L; 20°fc, C. O. S.) 
may often be higher than some coordinations in poetry (cf. A. D. B.A, 
W. W., J. M. T., C. O., etc.). 
The intervals in the most regular type of scansion of poetry (E. H. 
T.b, Table LXXV. ) were about five times more regular than in the most 
regular reading of prose (15%, S. I., Table LXXXIII., melodious prose). 
Excluding the record of routine scansion with regulative concomitant, 
the regularity was two and a half times greater.