389 



Totals 



7414 



2142 



28-8 % 



In this crimson form the average death-rate is only 28'8 °/^ ; in 

 certain matings nearly all the eggs were hatched, while in some others 

 the death-rate mounted as high as 71'2 °/^. 



In other crimson batches laid by an extracted crimson form derived 

 from a cross between the divoltine crimson and " E III " breed (an 

 extracted breed from a cross between the wild mulberry silk-worm and 

 tetravoltine " Tobuhime "), the figures quoted below were given : 



TABLE VIIL 



Totals 



5065 



3686 



72 7o 



