PLATE 3. 



FIG. 7. Wife of F. O. in pedigree 23, and mother of I i(M), in Fig. 8, and 



grandmother of the children in Fig. 8. 

 FIG. 8. Part of J. family, pedigree 23, comprising the mother, I i(M), 



mentioned in the description of Fig. 7, her husband [I i(F)]. a 



light-colored man, and all of their seven surviving children. 

 FIG. 9. Light brown mother of the P. family, pedigree 26, and her youngest 



child. 

 FIG. 10. The four oldest children of pedigree 26, from the mother shown in 



Fig. 9 and a light-colored man. 



