causing Disease in Man in Nyasaland. 197 



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

 Strain VIII, Mekka :— 



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



Stiain VITI, Mekka. 



Date. 



Experiment 

 No. 



Animal. 



Number of 

 trjpanosomes 

 measured. 



In microns. 



Average Maximum Minimum 

 breadth. ! breadth, j breadth. 



1913 



2300 



Bat 



500 



2 -68 5 -00 



1 -25 



IX. Morphology of Strain IX, Mkanthama. 

 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 XIV. — Measurements" of the Length of the Trypanosome of Strain IX, 



Mkanthama. 















In microns. 





Expt, 

 No. 





Method of 

 fixing. 



Method of 

 staining. 









Date. 



Animal. 



Average 

 length. 



Maximum 

 length. 



Minimum 

 length. 



1913. 

 Aug. 18 ... 

 . „ 18 ... 



2386 



Eat 



Osmic acid 



Giemsa 



23 2 



31 -0 



17 -0 



2386 





26 -7 



33 -0 



18 -0 



„ 18 ... 



2386 









25 -1 



32 



18 



., 19 ... 



2386 









19 



24 



17-0 



„ 19 ... 



2386 









18 -5 



26 



16 -0 



„ 19 ... 



2386 









18 2 



23 -0 



16 -0 



, 20 ... 



2386 









19-4 



24 -0 



17 -0 



,. 20 ... 



2386 









19 -8 



30 



16 -0 



„ 20 ... 



2386 









19-9 



30 



16 -0 



„ 21 ... 



2386 









17 "7 



24 -0 



15 -0 



., 21 ... 



2386 









17-8 



22 -0 



14 -0 



„ 21 ... 



2386 









17 -5 



20 -0 



16 -0 



„ 22 ... 



2386 









19 -4 



31 -0 



15 -0 



„ 22 ... 



2386 









20 -5 



28 -0 



15 -0 



„ 22 ... 



2386 









21 '8 



29 -0 



15 -0 



„ 23 ... 



2386 









23 -5 



29 



17 -0 



„ 23 ... 



2386 









24 -2 



32 -0 



16-0 



„ 23 ... 



2386 









23 -4 



31 -0 



16 



„ 24 ... 



2386 









24-1 



33 -0 



18-0 



„ 24 ... 



2386 









23 4 



31 -0 



16 -0 



„ 24 ... 



2386 









21 6 



30 



17-0 



., 25 ... 



2386 









22 -0 



29 -0 



17 -0 



„ 25 ... 



2386 









21 -8 



31 



17 -0 



„ 25 ... 



2386 









21 -2 



30 -0 



is -o 



„ 26 ... 



2386 









19 -6 



26 -0 



17 -0 



























21 2 



33 -0 



14 -0 



