306 E. J. ALLEN AND E. W. SEXTON. 
VI.C.2.f. Female (B+-R+ <A). 
(1) crossed with a male from VI.C.2. (B+R-+A) ; 
4 Black, 1 Red, 7 Albino ; 
(2) crossed with male VI.C.2.a. (B+R-+ A); see 
above. 
*VI.C.2.¢. Female (B+ R-+A). 
(1) crossed with male VI.C.2.b. (B+R-+A); see 
above. 
VI.C.2.k. Female (B+R+A): tested with Albino carrying Red; 17 
Black, 1 Red, 3 Albino. 
(1) crossed with male from VI.C.2. (B+R-+A) ; 
7 Black, 2 Red, 4 Albino ; 
(2) crossed with male VI.C.2.e. (B+R+A); see 
above. 
*VI.C.2.1. Female (B+-R-+A). 
(1) crossed with male VI.C.2.e. (B+R+A); see 
above. 
*VI.C.3.a. Male (B+ R+A). 
(1) crossed with female VI.A.3.r. (B+-R+ A); see 
above. 
VI.C.3.b. Male (B-+-R-++ A): tested with Red carrying Albino ; 15 Black, 
12 Red, 11 Albino. 
(1) crossed with female VI.C.1.h. (B+R); see 
above ; 
(2) crossed with female VI.C.3.g. (B+R); 13 
Black, 5 Red. 
VI.C.3.d. Female (B+R): tested with Reds: 25 Black, 16 Red. 
(1) crossed with male VI.A.3.c. (B+R-+A); see 
above. 
VI.C.3.e. Female (B+R-+ A): tested with Reds; 27 Black, 14 Red. 
(1) crossed with male VI.A.3.d. (B+R) ; see above. 
VI.C.3.g. Female (B+R): tested with Albino carrying Red ; 13 Black, 
15 Red. 
(1) crossed with male VI.C.3.b. (B+R-+A); see 
above. 
* The animals marked with an asterisk had not been previously tested. 
In each of the above instances some red young were produced, show- 
ing that the parents were all blacks carrying red and not one-dose blacks. 
These tests therefore are in favour of Hypothesis II being the 
correct one. 
