286 Sir D. Bruce and others. Trypanosome [Feb. 8, 



Table I.— Measurements of the Length of the Trypanosoma of Strain II, 



E . 



Pate. 



Method of fixing. 



Method of 

 staining. 



In microns. 



Average 

 length. 



Maximum 

 length. 



Minimum 

 length. 



1912 



Osmic acid 



Giemsa 



22 -2 



36 



15 -0 



The average length of the trypanosome of Strain II, in different species of 

 animals, is as follows : — 



Table II. 



Species of animal. 



Number of 

 trypanosomes 

 measured. 



In microns. 



Average 

 length. 



Maximum 

 length. 



Minimum 

 length. 





60 



20 -7 



34 -0 



15-0 





20 



21 -3 



28 -0 



18 -0 





160 



22 9 



36 -0 



17 -0 



Dog 



260 



21 -8 



31 -0 



17 -0 



Eat 



1000 



23-1 



32 -0 



17 



Table III. — Distribution in respect to Length of 1500 Individuals of the 

 Trypanosome of Strain II, E . 





In microns. 





15. 



16. 



17. 



18. 



19. 



20. 



21. 



22. 



23. 



24. 



25. 



Total 



2 



2 



12 



55 



108 



159 



210 



188 



215 



177 



138 



Percentage... 



0-2 



0-2 



0-9 



3 



7-2 



10 -6 



14 -0 



12 -6 



14 -4 



11 -8 



9-2 





In microns. 





26. 



27. 



28. 



29. 



30. 



31. 



32. 



33. 



34. 



35. 



36. 



Total 



83 



60 



34 



26 



18 



8 



3 





1 





1 



Percentage... 



5-6 



4-0 



2-3 



1 "8 



1-2 



0-6 



0-2 





o-i 





o-i 



