LOSS OF EYE-PIGMENT IN GAMMARUS. Sy 5) 
VI.B.2.m. Female, Red carrying Albino. 
Matings :—(1) with male VI.C.2.s. (A+ B-+R) ; (9 young, 
3 Black, 2 Red, 4 Albino). 
VI.B.2.n. Female, Pure Red. 
Matings :—(1) with male VI.A.3.z. (A+B+R); (15 
young, 10 Black, 5 Red). 
VI.B.2.0. Female, Pure Red. 
Matings :—(1) with male VI.A.3.aa. (A+R); (12 young, 
all Red). 
VI.B.2.p. Female, Red. Albinism not known. 
Matings :—(1) with male a of the same brood, (R-+-A) ; 
(2 young, Red). 
VI.B.2.q. Female, Red. Albinism not known. 
Matings :—(1) with male VI.A.3.y. (A+B); (1 young, Black). 
VI.B.2.r. Female, Red. Albinism not known. 
Matings :—(1) with male d of the same brood, (R+-A) ; 
(7 young, all Red). 
One male, mated with female v, and 5 females which reached 
maturity and mated, were eaten by their mates. One died immature. 
V1I.B.35.a. Male, Red carrying Albino. 
Matings :—(1) with female VI.C.3.u. (A+B+R); (47 
young, 15 Black, 13 Red, 19 Albino) ; 
(2) with female VI.A.2.m. (A+B+R); 33 
young, 6 Black, 14 Red, 13 Albino. 
VI.B.3.b. Male, Red carrying Albino. 
Matings :—(1) with female VI.C.3.w. (A+R) ; (31 young, 
19 Red, 12 Albino) ; 
(2) with female VI.C.3.f. (B+ A) ; (25 young, 
21 Black, 4 Albino). 
VI.B.3.c. Male, Red carrying Albino. 
Matings :—(1) with female VI.C.3.x. (A+B+R); (19 
young, 7 Black, 4 Red, 8 Albino). 
VI.B.3.d. Male, Red. Not proved. ; 
Matings :—(1) with Albino female VI.C.3.t. ; 
(2) with Red female of the same brood ; 
(3) with Albino female I.G.1.c. ; all of which 
it ate; 
(4) with Albino female VI.A.2.m. Died. 
VI.B.3.e. Female, Pure Red. 
Matings :—(1) with a Red male of the same brood; 2 
young, Red ; 
