SUPPRESSED EFFECTS 49 



matings. Indeed they afford very few examples ; yet 

 they afford enough. If an albino can be found which 

 throws with the various greys and blacks whose con- 

 stitutions are known such an assemblage of colours as 

 should be thrown by albino No. 1, pure, or albino No. 1, 

 hybrid, or albino No. 2, then that albino is albino No. 1, 

 pure, or albino No. 1, hybrid, or albino No. 2. The 

 following table gives the assemblages of progeny thrown 

 by five different albinos with various greys and blacks 

 whose constitutions were known : 



Grey and Black Parents 



Albino 

 No. No. 



Grey, Grey, Grey, Grey, Black, Black, 



pure hybrid hybrid hybrid pure hybrid 



in Y in C in Y in C 

 and C 



Progeny's Colours 



gr.bl.al. gr.bl.al. gr.bl.al. gr.bl.al. gr.bl.al. gr.bl.al. 



15 X 25 6 - - 



28 2 2- 



51 3 5- 



16 X 28 3 3- 

 X 28 4 2- 



34 X 49 4 4- 



89 X 51 - 2 - 



51 4 2- 



41 2-1 



14 X 43 7 - - 



44 2 2- 



18 13 2 



19 -14 

 19 - 2 4 

 21 - 3 4 



D 



