| 12 | 590 | 4.09 | 3.94 | .176 | .302 | .161 | .15 | .11 | .16 | | 13 | 194 | 4.22 | 3.88 | .433 | .270 | .132 | .34 | .13 | -.06 | +------+------+------+------+------+------+------+-----+-----+------+ |Total |8,941 | | | | | | | | | +------+------+------+------+------+------+------+-----+-----+------+ TABLE 15.—_Mean grade and number of offspring produced by parents of a particular grade in each generation of the plus selection series, based on Tables 1-13. The grade of the parents is indicated at the head of each column. In the body of the table is recorded the grade of the offspring (in light-faced figures) and the number of offspring (in =heavy-faced figures=)._ +------+-----------------------------------------------------+----------+ |Generation. | | | | Grade of parents; below, | | | | grade and number of their | Total | | | offspring. | number | | +-----+-----+-----+-----+-----+-----+-----+-----+-----+ of | | | 2 | 2⅛ | 2¼ | 2⅜ | 2½ | 2⅝ | 2¾ | 2⅞ | 3 |offspring.| +------+-----+-----+-----+-----+-----+-----+-----+-----+-----+----------+ | 1 |1.76 | |1.87 | |2.06 |2.15 |2.12 | |2.35 | | | | =18=| | =20=| | =37=| =5=| =51=| | =12=| =150= | | 2 |1.70 |1.28 |1.87 |1.92 |1.80 |2.11 |1.92 |2.41 |2.47 | | | | =46=| =56=| =8=| =45=|=133=| =44=| =52=| =23=| =59=| =471= | | 3 | |2.06 | |2.15 |2.32 |2.63 |2.46 |2.70 |2.49 | | | | | =21=| | =17=| =54=| =64=| =43=| =47=| =71=| =341= | | 4 | | | | |2.55 | |2.65 |2.97 |2.60 | | | | | | | | =11=| | =18=| =37=|=143=| =444= | | 5 | | | | | | |3.00 |2.87 |2.81 | | | | | | | | | | =12=| =21=| =15=| =610= | | 6 | | | | | | | | |3.25 | | | | | | | | | | | | =2=| =861= | +------+-----+-----+-----+-----+-----+-----+-----+-----+-----+----------+