332 E. J. ALLEN AND E. W. SEXTON. 
That is, out of every 64 animals there should be :— 
16 “ No-whites,” of which (1 carrying Black 
4 are Albino. : ony 14 Baten Red. 
and therefore colourless |2 _,, Black and Red 
1 Pure Black 
Dare Black ' 2 Black carrying Albino 
2 Black carrying Red 
4 Black carrying Red and Albino 
1 Pure Red 
pete Bed (3 Red carrying Albino 
Pure Black 
2 Black carrying Albino 
2 & No-white 
: a: Sanaa e re Albino and No-whi 
48 with White, of which oS bine and Nea 
27 are Black . : : he ts ‘ Hed 
Arn i Red and Albino 
ANS es . Red and No-white 
8 re Red, Albino and No- 
white 
‘1 Pure Red 
Oe Rod ; | 2 Red carrying Albino 
| 2 ee a No-white 
14; = Albino and No-white 
‘1 Albino carrying Black 
De te < Black and No- 
white 
2 Black and Red 
DI vey ash i 29 re) 
eee a Pde. ) ae eo sBlacke eee 
No-white 
aes = Red 
Ceo ‘ Red and No-white 
This may be summarised as follows :— 
27 Black-eyed, 9 Black no-white, 9 Red-eyed, 3 Red no-white, 12 
Albino-eyed, 4 Albino no-white or Colourless. 
From the above it will be seen that four of the no-whites out of each 
64 offspring should be also albinos, that is to say, they should show 
neither white, black nor red pigment, and should therefore be quite 
colourless. At the time the analysis was made no animals having a quite 
colourless eye had been seen, and it was a great satisfaction to us to find 
