TABLE OF CONTENTS 



I. Introduction. Historical sketch of disease in India 

 II. Diseases of Mulberry Silkworms 

 *1. Kata or Matha-kata (Pebrine) 



""Definition and diagnosis .... 



History of the disease 



History and life-history of the causal organism 

 Amount of disease in India .... 

 Amount of loss from pebrine 

 — ^What are the common sources of infection ? 

 Hereditary infection .... 



Percentage of disease picked up in highly 

 infected surroundings .... 



Other sources of infection 

 How long does infection last ? 

 Methods of protecting worms from infection . 



Paper covers ..... 



Disinfectants ..... 



Heightening resistance to disease . 



Hill amelioration ..... 



Do conditions in India make the disease specially 

 dangerous or difficult to check ? 



2. Chuna, Chuna-kete or Chhit (Muscardine or Calcino) 



Definition and diagnosis .... 



History of the disease. .... 



History and life-history of causal organism . 



Amount of disease in India and loss caused by it, 



"What are the common sources of infection ? 



Methods of protecting worms from the disease 



Do conditions in India make the disease specially 

 dangerous or difficult to check ? . . 



3. Kuji (Fly pest) 



Definition and diagnosis .... 



History 



Life-history of causal organism 



Amount of disease in India and loss caused by it 

 Methods of protecting worms .... 



Page 

 1 



7 



—« 



ib. 



9 



14 



23 



27 



2* 



~4b. 



-39 

 --30 



32 



33 



34 



ib, 



35 



48 



50 

 57 

 ib. 

 58 

 ib. 

 59 

 60 

 ib. 



61 



62 



ib. 



ib- 



ib. 



63 

 64 



