F. A. Woods 



303 



is dciiiaiiilrd by Mendel's Law, wotild ikiL hr expected from Galton's. A loss 

 amouiit ot' wliite wonld be callc'(l l'ur by llie latter law on accouiit of iho iiiHiioiicc 

 of graiidpareiits and gicat-graiidpaieuts. Hencc thc error froin Meuders Law 

 may be diie to ancestral inäucace. 



<J(l)7i 9(2)/? (J(l)ß 9(14)/} SWß ?(2)ß cJ(l)ß ?(14)Ä 



I , I I , I I , I I , ! 



I 



? (37) /J 

 I 



(J(21)/J 



9 (37) ß 



I 



c?(n2) w 



I 



? (85) B 

 I 



(346) /J (347) /3 (348) Z? (340) ß (350)/} (351) ir (352) IF (353) T7 

 Results of White crosscd witli White are showii in Table III. 



TABLE IIL 

 White X White. 



Here we have 86 otfspring, all albinos. This is of course in keeping with 

 Mendel's principles, since R x R cau give only R. It is not in harmony with 

 Galton's Law, and especially so in this instance, since all the latter two-thirds of 

 the experiments were made with the three rabbits (112), (120), and (136), who 

 had two black parents, and four black grandparents as well. These animals have 

 been intentionally used to see if sorae black reversions might not be obtaiued from 

 such a curious mating. 



The pedigree of experimeut Ixiii is given below, and i.s characteristic of 

 the rest, and can hardly be explained in any other way than recourse to the 



