516 Experimental Treatment of Trypanosomiasis in Rats. 



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Treated only with atoxyl. 



Treated only with atoxyl. 



Did not influence the course of the 

 disease. 



Trypanroth caused a disappearance of 

 the trypanosomes for 6 days : 

 paratolylarsenic acid did not affect 

 them. 



Neither trypanroth nor paratolyl- 

 arsenic acid did more than restrain 

 for a few days the multiplication of 

 the trypanosomes in this case. 



Dichloro-benzidine + acid H caused the 

 trypanosomes to disappear for 3 days. 



Trypanosomes were not affected. 



Trypanosomes driven out of the blood 

 for 5 days. 



Trypanosomes driven out of the blood 

 for 3 days. 



Trypanosomes only disappeared the 

 day before death. 



Did not die of disease. 



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Weight. 



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 130 

 150 

 140 



250 



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175 



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175 



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 105 



Disease. , No. 



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