312 E. J. ALLEN AND E. W. SEXTON. 
VI.B.1.b. Male, Red carrying Albino. 
Matings :—(1) with female g of the same brood, (Pure 
Red) ; 49 young, all Red ; 
(2) with female VI.A.1.p. (R+A) (17 young, 
16 Red, 1 Albino). 
VI.B.1.c. Male, Red carrying Albino. 
Matings :—(1) with female h of the same brood, (R-+-<) ; 
21 young, 17 Red, 4 Albino ; 
(2) with female g of the same brood, (Pure 
Red); 11 young, all Red. 
VI.B.1.d. Male, Red carrying Albino. 
Matings :—(1) with female } of the same brood, (Pure 
Red) ; 55 young, all Red ; 
(2) with female f of the same brood, (R-+ A) ; 
51 young, 37 Red, 14 Albino ; ; 
(5) with female [V.S. (B+ A); 18 young, 13 
Black, 5 Albino. 
VI.B.1.e. Male, Red. Albinism not known. 
Matings :—(1) with female from the same stock as R.1-. 
male (see Plate II and p. 324), (Pure 
Red) ; 16 young, all Red. 
Only two of these survived to maturity, and were mated with Albino 
females ; 33 young were produced, 19 Black, and 14 Red, no albinos. 
VI.B.1-4. Female, Red carrying Albino. 
Matings :—(1) with male a of the same brood, (Pure Red) : 
(29 young, all Red) ; 
(2) with male d of the same brood, (R+A) ; 
(51 young, 37 Red, 14 Albino) ; 
(3) with a male (from Brood | of VI.A.1. female 
h), (R-+ A); 27 young, 15 Red, 12 Albino ; 
(4) with male e of same brood ; ate it. 
VI.B.1.g. Female, Pure Red. 
Matings :—(1) with male b of the same brood, (R-+A) ; 
(49 young, all Red) ; 
(2) with male ¢ of the same brood, (R+ <A) ; 
(11 voung, all Red) ; 
(3) with male IV.K. (B+R+A); 9 young, 
2 Black, 7 Red. 
VI.B.1.h. Female, Red carrying Albino. 
Matings :—(1) with male c of the same brood, (R-+4A) ; 
(21 young, 17 Red, 4 Albino). 
