causing Disease in Man in Nyasaland. 199 



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

 Strain IX, Mkanthama. 



Table XVII. — Measurements of the Breadth of the Trypanosome of 

 Strain IX, Mkanthama. 



Date. 



Experiment 

 No. 



Animal. 



Number of 

 trypanosomes 

 measured. 



In microns. 



Average 

 breadth. 



1 



Maximum M inimum 

 breadth 1 breadth. 



1913 



2386 



Eat 



500 



2 56 



5 00 1 -25 



X. Morphology of Strain X, Doxgolosi. 



The following Table gives the average length of this Lry^anosome, as found 

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



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



Dongolosi. 



Date. 



Expt. 



So. 



Animal. 



Method of 

 fixing. 



Method of 

 staining. 



Average 

 length. 



In microns. 



Maximum 

 length. 



M inimum 

 length. 



1913. 















Nov. 27 ... 



2437 



Eat 



Osmic acid 



Giemsa 



24 -8 



30-0 



20 -0 



„ 27 ... 



2437 







jj 



24 -6 



29 -0 



21 -0 



„ 27 ... 



2437 









25 -0 



29 -0 



21 -0 



„ 28 ... 



2437 









19-9 



22 -0 



17 -0 



„ 28 ... 



2437 









19 -9 



23 -0 



18 -0 



„ 28 ... 



2437 





>■ >» 



19 -6 



22 -0 



18-0 



Dec. 2 ... 



2437 







23 -2 



28 -0 



17 -0 



., 2 ... 



2437 









22 -0 



29 -0 



18 -0 



„ 2 ... 



2437 







j' 



23 -2 



28 -0 



18 -0 



„ 3 ... 



2437 







jj 



24 -0 



30 "0 



20 -0 



„ 3 ... 



2437 







>! 



237 



29 -0 



20 -0 



„ 3 ... 



2437 









24 -0 



30 -0 



19 -0 



„ 4 ... 



2437 







J> 



23 -2 



27 -0 



19 -0 



„ 4 ... 



2437 







)> 



23 -2 



30 -0 



19 -0 



„ 4 ... 



2437 









23 7 



26 -0 



21 -0 



., 5 ... 



2437 









24 -3 



28 -0 



20 -0 



» 5 — 



2437 









23 9 



29 



19 



„ 5 ... 



2437 









24 "4 



28 -0 



21 



„ 6 ... 



2437 







>> 



24 -9 



30 -0 



20 -0 



>, 6 ... 



2437 









25 -2 



30 -0 



22 -0 



„ 6 ... 



2437 









24 5 



28 -0 



21 



,i 7 ... 



2437 









25 3 



31 -0 



21 -0 



„ 7 ... 



2437 



., 







25 -0 



30 -0 



20 -0 



» 7 ... 



2437 









24 -8 



32 -0 



20 -0 



„ 8 ... 



2437 









22 3 



25 -0 



18 -0 











23 5 



32 -0 



17 



