Template:LongMark1911 table1
From Embryology
TABLE 1. Observations.
Length of period.
ind^'dulls. Percentage.
i hour or less
4 ^ "?O 6 1
i \ to 2 hours
42 28 6 J ' r 84 4
2 J to 3 hours
' r 4 --4 ? 7 2^2
3i to 5 hours
20 13 6 +
Over 6 hours
^ 20 +
147
