CHAPTER XL 



SOME TROPICAL DISEASES. 



Surra. 



This malady occurs in India, attacking^ 

 horses, mules, donkeys, goats, camels, etc. 

 It is said to be due to a minute parasite 

 circulating in the blood. 



Food and water are capable of convey- 

 ing the disease, the average duration of 

 which is about 50 days. 



The symptoms are those of fever, a 

 nettle-rash like surfeit on the body, and a 

 rapid loss of condition. Preventatives : 

 comprise those of having a pure water 



