Toyaraa, On certain characteristics of the Silk-worm etc. 



599 



Expectation 



F 2 



Expectation 



F, 



Expectation 



Coutagne's results. 

 White X Yellow. 



(1.) 



All W (1,750) 

 All white 



White (75,5 / ) + Yellow (27,5 / ) 

 75/ + 25/ . 



(2.) 



(White (818) + Yellow [849]) 



x Y X P ure 



833,5 



833,5 



F 2 W (1,016) + Y (432) W (624) + Y (645) W (359) -f Y (964) All W 



Exspectation (1,086 -f 362) (634,5 + 634,5) (330 3 / 4 + 99 2 '/J all w. 



(3.) 



All ^'hite F l X pure yellow. 



Expectation 



F 2 

 Expectation 



W (257) 

 1 W 



-f 



Y (307) 

 1 Y 



Expectation 

 F, 



F, 



Expectation 



F 2 

 Expectation 



Expectation 

 F 



2 



Expectation 



W (710) -f Y (247) W (6?) + Y (871) 

 W(717 3 / 4 ) + Y(239'/ 4 ) All yellow. 



(40 



All Yellow 

 All yellow 



0. 



Kellogg's results. 

 (Bagdad white X Istrian yellow.) 



(1.) 

 All W. 



(all white) 



W (139) + Y (32) 

 (3 W + 1 Y). 



(2.) 



All Y 



(All yellow) 



W (52) + Y (125) 

 (1 W -f 3 Y). 



