506 Sir D. Bruce and others. Description of a 



Table V. — Distribution in respect to Length of 500 Individuals of T. brucei, 

 Zululand Strain, 1913, after second passage through G. morsitans. 

















In microns. 

















Animal. 

































Average 

































length. 











1/. 

























lo. 



1 A. 



lo. 



ID. 



10. 



19. 



20. 



21. 



11. 



Jo. 





OK 

 -•J. 



Jo. 





Rat 















— 



1 



2 



— 



5 



4 



2 



3 



2 



1 



— 



— 



21 -1 









■ — 







— 



2 



— 



4 



3 



3 



1 



4 



2 







1 



— 



21 -0 













■ — 



— 



1 



2 



2 



3 



2 



1 



2 



4 



1 



2 



— 



21 -7 

















— 



1 



3 



4 



5 



4 



2 



1 



— 







— 



— 



19 -9 

















— 



2 



2 



9 



3 



3 



1 













19 -3 













1 



— 



3 



2 



5 



5 



4 















19 -0 



» 











1 



3 



4 



— 



5 



1 



2 



1 



1 



1 



1 



— 



— 



19-1 



» 











1 



— 



5 



2 



2 



4 



4 



1 



— 



— 







— 



1 



19 -3 

















2 



— 



2 



5 



3 



2 



4 



2 



— 







— 



— 



19 -9 

















2 



1 



3 



3 



5 



3 



— 



2 



1 







— 



— 



19 -6 













1 



— 



2 



3 



5 



5 



3 













1 



19 -4 

















1 



3 



4 



1 



3 



4 



2 



1 



— 







1 



— 



19 -7 







2 



1 



3 



4 



3 



2 



2 



2 



1 













17 -7 





1 







1 



2 



4 



6 



3 







3 



— 



— 



— 



— 



18 -9 









1 



1 



6 



5 



3 



3 







1 











18 "1 











2 



3 



5 



O 

 t4 



q 

 o 



1 



2 



1 



1 



— 



— 





19 -1 















2 



1 



7 



5 



4 



1 











— 



19 -5 













4 



3 



4 



4 



3 





^ 



I 

















1 



1 



3 



3 



3 



2 



5 



1 



1 









— 



19 -1 





— 





1 







2 



5 



5 





6 



1 





— 



— 





20-0 















1 



7 



5 



3 



1 



1 



2 









20 -3 













1 



2 



4 



5 



2 



2 



2 



2 









20 -4 













2 



2 



2 



1 



4 



5 



3 





1 







20 -8 













1 



3 



2 



2 



3 



3 



1 



4 



1 







21 -1 











1 





7 



5 



3 



2 





2 











19 -2 



Total 



1 



2 ] 8 



17 



53 



66 



97 



88 



67 



37 



33 



20 



5 



4 



2 





Percentages ... 



0-2 



0-4 



1-6 



3-4 



10 -6 



13 -2 



19 -4 



17 -6 



13 -4 



7-4 



6-6 



4-0 



10 



0-8 



0-4 





