166 



APPENDIX. 



Average build of parents (excluding family with *), 



Number of matings, 33 + 1* = 34. 



Total number of progenv. 156 + 3* = 159. 



S M F 



Classification of progeny 15 62 61 



Proportional frequency per mille 94 390 3S4 



J9.21. 



VF 



21 

 132 



1 Feeble-minded. 



• FF's sibs fleshy; FM's sibs are M. 

 '§ and § are twins. 





