472 CYCLOPEDIA OF LIVE STOCK AND COMPLETE STOCK DOCTOR. 



The temperature at first 103° F. or higher after a while subsides to 

 run even higher hiter. Death is due to exhaustion or unconsciousness. 

 There may be either diarrhea or constipation — more frequently the latter. 



All mucous membranes are pale in color, and there is more or less 

 weakness of all pendulent parts of the abdomen. 



Lesions noted on the carcass are anemia and extreme emaciation. 

 The absence of adipose tissue makes the skin adhere to the body. 

 Purple or livid spots are found on the heart muscle, and on other visceral 

 organs. A plastic exudate is found in the thoracic cavity. There is a de- 

 crease of red blood corpuscles, and increase of white corpuscles. 



A CHRONIC CASE, THIRD STAGE. 



Says Dr. A. T. Peters of the Nebraska Agricultural station-. Many 

 of the farmers call the disease "Typhoid Fever," for it resembles this 

 fever very much. The manner in which the disease is contracted by 

 horses is not definitely understood. In the last few years, the Veterinari- 

 ans in the Philippines have discovered a disease, prevalent in India under 

 the name of "surra," the description of which corresponds very much 

 to that of malarial fever of horses in this country, with the exception 

 that bacteriologists have not been able to find the surra parasite in the 

 blood of affected animals in this country. As the parasite of surra is 

 very easily detected in the blood of affected animals, and as we have not 

 been able to discover it, the conclusion seems reasonable that the diseases 

 are not identical. It is difiicult to ascertain how the disease first made 

 its appearance in this country. We find it on the marshy pastures during 



