causing Disease in Man in Nyasaland. 195 



Breadth. — The following Table gives the breadth of the trypanosome of 

 Strain VII. Yoramu : — 



Table IX. — Measurements of the Breadth of the Trypanosome of Strain VII,. 



Yoramu. , 



Date. 



Experiment 

 No. 



Animal. 



Number of 

 trypanosomes 

 measured. 



In microns. 



Average 

 breadth. 



Maximum 

 breadtli. 



Minimum 

 breadth. 



1913 



2236 



Eat 



500 



2 -51 



4 50 



1 -25 



VIII. Morphology of Strain VIII, Mekka. 

 The following Table gives the average length of this trypanosome as found in 

 the white rat, 500 trypanosomes in all, and also the longest and shortest : — 



Table X. — Measurements of the Length of the Trypanosome of Strain VIII, 



Mekka. 



Date. 



Expt. 

 No. 



Animal. 



Method of 

 fixing. 



Method of 

 staining. 



Average 

 length. 



In microm 



Maximum 

 length. 



j. 



Minimum 

 length. 



1913. 

















Aug. 27... 



2300 



Eat 



Osmic acid 



Q-iemsa 



21 -2 



26 -0 



19 -0 



„ 27... 



2300 







)) 



23 -2 



29 -0 



20 -0 



,s 27... 



2300 





)» 





21 -1 



28 -0 



18-0 



„ 28... 



2300 





>» 





22 -2 



27 -0 



19 -0 



„ 28... 



2300 





>j 





22 -4 



26 -0 



18 -0 



„ 28... 



2300 





j) 





23 "4 



290 



20 -0 



„ 29... 



2300 



„ 



jj 



)» 



21 -4 



26 



20 -0 



„ 29... 



2300 









23-0 



23 -0 



21 -0 



„ 29... 



2300 





35 





21 -0 



2!-0 



18-0 



„ 30... 



2300 





J! 



)' 



20 -4 



23 -0 



18-0 



„ 30... 



2300 







»> 



22 -1 



28 -0 



18 -0 



,, 30... 



2300 







>' 



20 -7 



25 -0 



18 -0 



., 31... 



2300 





)) 



jj 



20 -7 



24 -0 



18 -0 



„ 31... 



2300 









21-4 



29 -0 



18 -0 



„ 31... 



2300 









21 -1 



27 -0 



18 -0 



Sept. 1... 



2300 





J> 





24-8 



32 -0 



30 -0 



„ 1... 



2300 









23 -8 



33 -0 



20 -0 



1... 



2300 









24 -1 



23 -0 



19 



2... 



2300 





>} 



>) 



23 -9 



30 -0 



19-0 



„ 2... 



2300 





i) 





23 -6 



29 -0 



16 -0 



» 2... 



2300 





•) 



)> 



23 -2 



30 -0 



20 -0 



„ 3... 



2300 





J) 



>> 



24 -0 



32-0 



20 



3... 



2300 





" 





23 1 



29 -0 



20 -0 



„ 3... 



2300 







)» 



23 -5 



30 -0 



21 -0 



4... 



2300 









21 -3 



27*0 



18 -0 





j 



1 ! 



22 -4 



33 



16 -0 



