52 



STRONG AND TEAGUE. 

 Table II, Series IV (Monkeys). 



No. of 

 monkey. 



4655-— 



4654. 



4656. 

 4657. 



4658 



4659. 



4660.... 



4661. 



4G53. 



Weight 

 at first 

 treat- 

 ment. 



1,570 

 1,450 

 2,250 

 1,950 

 2,150 

 1,250 

 1,700 

 1,350 



First dose 

 of arseno- 



phenyl- 



glycin 



in grams 



per kilo. 



0.26 

 0.2S 

 0.30 

 0.30 

 0.32 

 0.32 

 0.34 

 0.36 



Control— not treated. 



I 



Result. 



Died in 12 days 



Alive 



Died in 1 day 



do 



Alive 



do 



Died in 8 days 



Died in 1 day 



Died 17 days after inoculation- 



Period free 

 from trypa- 

 nosomata. 



5 months. 



Do. 

 Do. 



