316 E. J. ALLEN AND E. W. SEXTON. 
Matings :—(2) with male VI.A.2.a. (B+R+<A); (20 
young, 8 Black, 12 Red) ; 
(3) with male VI.C.2.u. (A+R); (24 young, 
all Red). 
VI.B.3.f. Female, Red carrying Albino. 
Matings :—(1) with male VI.C.2.c. (B+ A) ; (6 young, 5 
Black, 1 Albino). 
VI.B.3.g. Female. Red. Not proved. 
Matings :—(1) with Black male VI.A.2.b.; (5 young, 
Black) ; 
(2) with a Red male VI.A.3.t. ; was eaten. 
4 others, females, reached maturity, mated and died ; one died 
immature. 
VI.B.4.a. Male, Red carrying Albino. 
Matings :—(1) with Black female (from Brood 1 of female 
IV.N.); 8 young, 7 Black, 1 Albino ; 
(2) with female ¢ of the same brood, (R-+ A) ; 
22 young, 17 Red, 5 Albino. 
VI.B.4.b. Male, Red carrying Albino. 
Matings :—(1) with female d of the same brood, (Pure 
Red); 13 young, Red ; 
(2) with female g of the same brood, (A+R) ; 
132 young, 71 Red, 61 Albino. 
VI.b.4.c. Female, Red carrying Albino. 
Matings :—(1) with male a of the same brood, (R-+ A) ; 
(22 young, 17 Red, 5 Albino). 
VI.B.4.d. Female, Pure Red. 
Matings :—(1) with a Red male of the same brood ; 
1 young, Red ; 
(2) with male b of the same brood ; (13 young, 
Red) ; 
(3) with a Red male (from Brood 3 of female 
III.Q); 51 young, all Red. | 
VI.B.4.e. Female, Red. Constitution unknown. 
In all, 3,443 young were produced. The numbers from the different 
matings are as follows : 
Red by R; R+A; and A+R; 709 young, all Red. 
Red carrying Albino by R+ A: and A+R; 883 Red, 582 Albino. 
Red and R+-A by Black ; 258, all Black. 
Red and R+A by B+R; 135 Black, 115 Red. 
