i6o DISEASES DUE TO PROTOZOA 



TRYPANOSOME DIMORPHON. 



This attacks cattle, dogs, sheep, pigs and goats in several parts of 

 Africa. It is carried by the Glossina palpalis. 



In the horse there is loss of vigour, in two or three weeks there is 

 fever, the next month there is marked weakness, abdominal swelling,, 

 the testicles hang down and are oedematous, the coat is staring, the 

 whole appearance is apathetic. There is fluid in the serous cavities- 

 Death takes place in about one year. 



There is hypertrophy of the glands, fatty liver and congested lungs. 



Probably the T. pecorum of Bruce includes the T. dimorphon, 

 congolense and confusum of the above descriptions. The point is still 

 suh judice. 



