Editorial note — APPENDIX.
Reading edition
Average build of parents (excluding families with *) 26.13 Number of matings: 4 + 3* = 7 Total number of progeny: 11 + 9* = 20
Reading edition
Average build of parents (excluding families with *) 26.13 Number of matings: 4 + 3* = 7 Total number of progeny: 11 + 9* = 20