P. Mudge for rats, that in a cross between a coloured individual of known gametic purity and an albino, the individuals of the progeny in either the first or second, or both generations, may differ, and that the difference in some cases wholly depends upon the albino used.
P. Mudge have both shown that albino rats also carry in a latent condition the determinants for black or grey.
P. Mudge, "Intravascular Coagulation and Albinism, Preliminary Note," Proc. Phys.
Mudge, 1885); and Eternal Atonement (1888).