108 



REPORT ON THE DISEASES OP SILKWORMS IN INDIA 



Comparative figures of findings of diseases in different races of silkworms reared 

 at Berhampore Central Nursery — concld. • 



Name of race 



No. 1 A, 44th generation 

 No. 4 A, 44th generation 

 Nistari . 



J 303, 77th generation . 

 No. 1 A, 45th generation 

 No. 4 A, 45th generation 

 J 303, 78th generation . 

 Nistari . 

 Chhotapolu 



No. 1 A, 47th generation 

 No. 4 A, 47th generation 

 J 303, 79th generation . 

 Nistari . 

 Chhotapolu 



Rearing period 



March-April 1920 



Ditto 



Ditto 



Ditto 



May 1920 



Ditto 



Ditto 



Ditto 



Ditto 



June and August 



Ditto 



Ditto 



Ditto 



Ditto 



1920 



Percentage 



of 



pebrine 



6-0 

 5-0 

 13-93 

 6-88 

 5-0 

 5-44 

 6-33 

 5-54 

 5-84 

 4-85 

 4-68 

 7-33 

 7-0 

 5-6 



Percentage 



of 

 flacherie 



49-25 



45-0 



30-31 



34-48 



38-53 



43-12 



23-23 



3913 



46-97 



25-74 



22-39 



28-44 



34- 11 



34-4 



