LOSS OF EYE-PIGMENT IN GAMMARUS. 301 
VI.C.3.b. Male, Black carrying Red and Albino. 
Matings :—(1) with female VI.B.2.e. (R+ A) ; 38 young, 
15 Black, 12 Red, 11 Albino ; 
(2) with female VI.C.1.h. (B+R); (12 young, 
8 Black, 4 Red) : 
(3) with female g of the same brood, (BR) ; 
18 young, 13 Black, 5 Red. 
VI.C.3.c. Male, Black carrying Albino only. 
Matings :—(1) with female VI.A.3.w. (R-+-A) ; (17 young, 
15 Black, 2 Albino). 
VI.C.3.d. Female, Black carrying Red only. 
Matings :—(1) with male n of the same brood (Red, 
albinism not known); 16 young, 15 
Black, 3 Red ; 
(2) with male VI.A.3.t. (R+A); (25 young, 
12 Black, 13 Red) ; 
(3) with male VI.A.3.c. (B+R-+A); (11 
young, 9 Black, 2 Red). 
VI.C.3.e. Female, Black carrying Red and Albino. 
Matings :—(1) with a male, Pure Red (from the same 
stock as R.1 on Plate II, see page 324) ; 
7 young, 5 Black, 2 Red ; 
(2) with male VI.B.2.t. (A+R); 28 young, 
13 Black, 4 Red, 11 Albino: 
(3) with a male from Brood 1 of female 
VILLA.lh. (Pure Red); 34 young, 22 
Black, 12 Red ; 
(4) with male VI.A.3.d. (B+R); (56 young, 
46 Black, 10 Red). 
VL.C34. Female, Black carrying Albino only. 
Matings :—(1) with male VI.B.3.b. (R+ <A); 25 young, 
21 Black, 4 Albino. 
VL.C.3.g. Female, Black carrying Red only. 
Matings :—(1) with male VI.C.2.u. (A+R); (28 young, 
13 Black, 15 Red); ; 
(2) with male b of the same brood 
(B+R-+A); (18 young, 13 Black, 5 
Red). 
V1I.C.3.h. Female, Pure Black. 
Matings :—(1) with male VI.A.2.¢. (A+R); (29 young, 
all Black). 
