LOSS OF EYE-PIGMENT IN GAMMARUS. 305 
*VI.C.1.b. Male (B+ R-A). 
(1) crossed with female VI.C.1.£. (B+R+A); 41 
Black, 15 Red, 18 Albino. 
VI.C.1.c. Male (B+-R-+A): tested with Red: 33 Black, 20 Red. 
(1) crossed with female VI.C.1.]. (B+R-+A); 12 
Black, 3 Red, 2 Albino. 
VI.C.1.d. Female (B+R-+<A): tested with Reds carrying Albino; 49 
Black. 51 Red, 35 Albino. 
(1) crossed with male VI.A.1.a. (B+ R) ; see above ; 
(2) crossed with male VI.A.3.d. (B+R); see 
above; 
(3) crossed with male VI.A.3.c. (B+R-+A); see 
above. 
VIL.C.1.4. Female (B+R-+A): tested with Red carrying Albino; 32 
Black, 23 Red, 23 Albino. 
(1) crossed with male VI.C.1.b. (B+R-+ A); see 
above. 
*VI.C.1.g. Female (B+ R--A). 
(1) crossed with male from VI.C.1. (B+R-+-A) ; 
8 Black, 5 Red, 4 Albino. 
VI.C.1.h. Female (B+R): tested with Red: 16 Black, 24 Red. 
(1) crossed with male VI.A.l.e. (B+R-+A); see 
above. 
(2) crossed with male VI.C.3.b. (B+R-+A); 8 
Black, 4 Red. 
VI.C.1.1. Female (B+-R-+ A): tested with Red: 18 Black, 22 Red. 
(1) crossed with male VI.C.l.c.; see above. 
*VI.C.2.a. Male (B+ R+A). 
(1) crossed with female VI.C.2.f. (B+R-+A); 7 
Black, 2 Red, 7 Albino. 
*VI.C.2.b. Male (B+ R-+ A). 
(1) crossed with female VI.C.2.¢. (B+R+A); 10 
Black, 4 Red, 7 Albino. 
VI.C.2.e. Male (B+ R+A). 
(1) crossed with female VI.C.2.k. (B+R+A); 7 
Black, 1 Albino ; 
(2) crossed with female VI.C.2.1. (B+R-+ A); 15 
Black, 3 Red, 9 Albino. 
NEW SERIES.—VOL. XI. NO. 3 DECEMBER, 1917. x 
