

INHER1 I \\< i [N '.I [NEA-PIGS. 



of matingB), which has the Bame expectation of rod-eyed young (50 per 

 t b total of 68 dark-eyed and 51 red-eyed, fairly good 

 agreement with the expected equality. 



Bj dark-eyed daughters which have produced red-eyed young and 



bown thai they transmil eit I hm- red-eye or albinism, <? 1002 has 



produced 18 dark-eyed and L6 red-eyed young; expected 25.5 and 8.5. 



ubtleea other daughters which have not chanced to produce red-eyed 

 young in the litters recorded arc also heterozygous for red-eye, in which 



■ ■■ their recorded litters should be added to the foregoing. If this 

 were done, the observed departure in this case from the expected 3 to 1 

 ratio would doubtless disappear. 



Tm m of young of •ftOO& by his granddaughters winch were also his 



daughters {table .'!)■ 



By pink-eyed daughters, d" 1002 has produced 7 pink-eyed young and 

 B with eyes not pink — complete agreement with the expected equality. 

 By daughters not pink-eyed, but which nevertheless are clearly hetero- 

 lygoue in pink-eye, he has produced 23 pink-eyed and 58 not-pink-eyed 

 young; expected, 20 and 61 an excess of pinks capable of explanation 

 on the Bame ground as the excess of red-eyed young. 



dilute-colored daughters o" 1002 has produced 52 dilute-colored 



young, bul do intense-colored one-, as expected, since dilution is 



ive to intensity. By intense-colored daughters heterozygous for 



dilution he has produced in intense and 9 dilute young, equality being 



ad. 



MISCELLANEOUS MATINGS OF THE DESCENDANTS OFo*1002. 



MatingB of the descendants of 71002 beyond the F 2 generation were 

 made chiefly with a view- to test further the genetic character of the new 

 Their results are presented in tables 23 to 28 and serve to 

 firm the interpretations already offered. 



