LOSS OF EYE-PIGMENT IN GAMMARUS. 295 
VI.A.3.c.4 Male, Black carrying Red and Albino. 
Matings :—(1) with female m of the same brood, (B+-R-++ 
A); 28 young, 18 Black, 6 Red, 4 Albino ; 
(2) with female VI.A.1.f. (B+R-+A); (5 
young, 2 Black, 1 Red, 2 Albino) ; 
(3) with female VI.C.1.d.. (B+R+A); 71 
young, 36 Black, 15 Red, 20 Albino ; 
(4) with female VI.C.3.d. (B+R); 11 young, 
9 Black, 2 Red. 
VI.A.3.d. Male, Black carrying Red only. 
Matings :—(1) with female n of the same brood (B+ R+ 
A); 46 young, 41 ‘Black, 5 Red ; 
(2) with female VI.C.1l.d. (B+R+A); 115 
young, 91 Black, 24 Red ; 
(3) with female VI.A.2.c. (B+R) ; (43 young, 
29 Black, 14 Red) ; 
(4) with female VI.C.3.e. (B+R+A); 56 
young, 46 Black, 10 Red. 
VI.A.3.e. Male, Pure Black. 
Matings :—(1) with female o of same brood, (B+A, R 
not proved) ; 9 young, all Black ; 
(2), (3), (4), (5) with 4 other females, which it 
ate ; 
(6) with female VI.B.2.v. (A+R); 19 young, 
all Black. 
VI.A.3.f. Male, Black carrying Red and Albino. 
Matings :—(1) with female p of its own brood, (B+R-+ 
A); 13 young, 6 Black, 2 Red, 5 Albino. 
VI.A.3.g. Male, Black carrying Albino. 
Matings :—(1) with female q of its own brood, (B+R+ 
A); 55 young, 35 Black, 20 Albino ; 
(2) with female III Q. (B+-R+ A) ; 37 young, 
27 Black, 10 Albino. 
VILAB.h. Male, Black carrying Albino. 
Matings :—(1) with female VI.A.2.c. (B-+_R) ; (46 young, 
all Black) ; 
(2) with female VI.B.2.v. (A+R); 92 young, 
52 Black, 40 Albino. 
VI.A.3.]. Male, Black. Constitution not known. 
Matings :—(1) with female s of the same brood : | young 
Black. 
