causing Disease in Man in Nyasaland. 31 



Table III. — Distribution in respect to Length of 1000 Individuals of the Trypanosoma of the 



Mzimba Strain. 

















In microns 





















Animal. 





































Average 









■ 





1 





1 





















length. 





16. 



17. 



18. 



19. 



20. 



21. 



22. 



23. ! 



1 



24. 



25. 



26. 



27. 



28. 



29. 



30. 



31. 



32. 





1 



O 





g 



7 

 ■ 



9 



























1Q.Q 



io o 









K 

 O 



o 





2 



1 



1 



' 





1 

















» 





X 





o 



fi 



O 



Q 



o 



2 



1 





























A 



o 





o 



ju 



2 



1 



1 



1 

















20 "2 





_ 





1 

 X 



9 



A 



o 



43 



2 



2 



1 



3 







1 



1 







X 





" , 





Q 



o 



A 



1 

 X 





o 



£t 





1 



1 







1 



]^ 



1 



1 







21 "2 









2 



O 



4 



2 



1 



2 









1 



1 









21 '6 



Tir\cr 









i 



X 



q 



D 



4 



1 



1 







1 



1 



i 



X 



X 







22 '7 











X 



X 



y 



3 



2 



i 



1 





1 





X 









22 "2 



» 









— 



1 



4 



5 



3 



5 





1 



— 



— 



— 



— 



1 



— 



— 



22 -0 



" 









K 

 9 





5 



4 



2 



2 













1 



X 







21 '6 







X 





X 



O 





2 



1 







2 



1 











X 



22 '0 



' 









q 



Q 

 O 



a 

 o 



5 





1 



















20 '9 



" 









o 

 a 



Q 

 O 



2 



2 



2 



5 



1 









X 









22 '3 







2 





ft 



4. 



Q 



3 



1 



1 



















20 '2 





2 



X 





q 

 O 



~t 



X 



4 



4 



2 



1 



2 

















20 "9 



" 





1 



X 



9 

 a 



1 

 X 



•± 



9 



4 





2 



1 



Q 

 O 















21 "6 











5 



4 



4 







9 





2 



— 



— 











1 







21 -8 



■■' 





1 



4 



6 



3 



1 



2 











1 





2 









— 



— 



20 -3 











2 





3 



2 



2 



2 



\ 



3 



1 



1 











OO .1 



Z6 1 





— 



— 



4 



6 



7 



1 





9 

























— 





2 



5 



2 



2 



2 



1 



1 



1 



1 



1 



1 



— 



— 



1 



— 



19 -6 

 22 -0 







_ 



3 



4 



11 



2 

























"1 O -ft 



xy o 









i 



JL 



a 

 u 



X 



4 



4 



1 









1 





X 







22 - 





1 





1 



q 

 o 



ft 

 u 



Q 

 O 



3 





2 



1 

















20 '6 



Rat 









o 



£l 



1 



o 



1 



1 



2 



A 

 ^fc 



2 





1 







X 





23 - 3 











3 



1 





2 



2 



2 



X 



3 



3 





Q 

 O 









24 '3 





1 





1 





2 





3 



1 



5 





2 



2 



1 











oo 



i, 



1 



2 



1 



1 



2 

 5 



2 

 2 



3 





1 



5 



2 

 1 















21 -8 



\l. » 



" 



— 



— 



1 



4 

 4 



g 



3 



6 

 1 



1 



2 

 2 



X 





\ 



— 







— 



— 



— 



21 -2 

 21 "1 











2 



i 



7 



q 



3 



2 



1 



i 



















" 





1 



\ 



g 



t 



2 



o 

 1 



3 



4 





X 

















20 '9 



" 



1 1 " 





X 



2 





« 

 u 



1 



3 



1 



3 



o 





1 



i 



X 











20 - 3 

 22 - 1 



1 j " 







2 



2 



4 



7 





3 



1 







1 













21 "0 







2 



3 



3 



5 



1 



2 



1 



3 



















20 "2 









2 



4 





g 



1 



1 



1 



1 



X 





2 



1 





X 







22 - 2 









3 



5 



5 



1 



2 



2 



i 



X 



1 

 X 

















20 - 4 



» 



— 





2 



9 



2 



3 



2 





1 





1 















20 -2 







2 



3 



9 



3 



1 



1 









1 















1Q -A 





— 



1 



8 



4 



2 



2 



1 



2 





















j y ^ 







1 



1 



3 



2 



2 



3 



3 



3 



1 







1 



— 





— 



— 



19 -3 

 21-7 







3 



2 



3 



2 



1 



2 



1 



2 







2 



2 











21 -5 











6 



4 





4 



1 



2 





1 



1 



1 











21 -7 





— 







4 



2 



2 



4 



3 



1 





1 





1 



2 





— 



— 



22 -5 







1 



2 



1 



1 





2 



1 



2 



2 



1 



1 



3 



2 



1 







24 -1 









2 



1 



1 



1 



1 



3 



1 



2 



1 



2 



1 



2 







2 



24 -5 











7 



1 



5 



1 



3 



1 





2 















21 -2 









1 



2 



8 



3 



2 





1 



1 



1 





1 











21 -6 









2 



4 



5 



4 





2 



1 









1 







1 





21 -2 



Total 



8 



27 



79 



175 



180 



139 



109 



72 



66 



36 



32 



24 



22 



16 



7 



4 



4 





Percentages ... 



0-8 



2-7 



7-9 



17 -5 



18 -0 



13 9 



10 -9 



7-2 



6-6 



3-6 



3-2 



2-4 



2-2 



1-6 



0-7 



0-4 



0-4 





