74 CLINICAL DIAGNOSTICS. 



South African Horse Sickness. A non-contagious (though 

 readily transmittable by blood inoculation) disease of horses and 

 mules. Incubation 7 days. Slowly rising fever with morning 

 remissions. Symptoms of pulmonary edema (Dumperre zickte) 

 or swelling of the head (Dikkop). Great muscular weakness, 

 animals recumbent. Pulse not very rapid but small. Mortality 

 80-90%. 



