H. Onsuow 



249 



i'|^!ijjliij!j!|||!!f!i;»!{;isi| 



I 



Colour-1 



of lutf 



paren 



[2-9:2 



100 

 No. of insects 



Fig. 19, (Cf. Fig. 6.) Curve showing the distribution of the orange and yellow colour-values of family 



'10 E, hybrid (lutea x gross.) x lutea. 

 The following variations occur in certain insects, whose position along the base line of the curve is 



indicated by the accompanying numbers. 



Very broad orange fascia $ 35. 

 nigricottatd ^ ^32, o 966, 70 nigrociiicta $ ? 2, 23 (segments 1, 2 and 3) 



Hybi 

 parent 



/i^^Gl 



fi 9 29 



