causing Disease in Man in Nyasaland. 



113 



Morphology of the Naturally Infected Dog Strain. Strain I. Dog 48. 



Table I. — Measurements of the Length of the Trypanosome of Naturally 

 Infected Dog. Strain I. Dog 48. 



Date. 



No. 

 of 

 expt. 



Animal. 



Method of 

 fixing. 



Method of 

 staining. 



In microns. 



Average 

 length. 



Maximum 

 length. 



Minimum 

 length. 



1912. 



Feb. 17 



„ 22 



Jan. 20 



„ 24 



Feb. 1 



„ 15 



„ 19 



„ 19 



„ 22 



» 26 



„ 28 



„ 29 



April 15 



„ 19 



„ 22 



„ 8 



„ 15 



„ 15 



„ 16 



Feb. 13 



„ 13 



„ 13 



„ 15 



„ 15 



„ 15 



„ 19 



„ 22 



„ 26 



„ 29 



Mar. 11 



April 3 

 5 



April 11 



„ 11 



„ 12 



„ 12 



„ 12 



„ 12 



„ 13 



„ 13 



„ 13 



„ 33 



„ 14 



„ 15 



„ 15 



„ 15 



„ 16 



„ 16 



191 

 196 

 48 

 48 

 48 

 140 

 139 

 139 

 69 

 151 

 210 

 210 

 317 

 317 

 331 

 389 

 389 

 390 

 389 

 67 

 67 

 67 

 67 

 189 

 190 

 189 

 190 

 67 

 67 

 67 

 312 

 312 

 391 

 392 

 392 

 392 

 311 

 312 

 311 

 312 

 391 

 392 

 311 

 312 

 391 

 392 

 407 

 312 

 391 

 392 

 312 

 391 



Ox ... 

 Sheep 

 Dog... 



j, 

 » 

 a 



)j • • • 

 )) 



}} •■• 



Rabbit 

 »> 



Eat ... 



Osmic acid 



Giemsa 



25 

 26 

 23 

 24 

 25 

 24 

 29 

 32 

 30 

 28 

 22 

 20 

 20 

 23 

 22 

 22 

 26 

 22 

 24 

 21 

 20 

 22 

 19 

 24 

 25 

 28 

 28 

 23 

 20 

 20 

 26 

 21 

 20 

 24 

 25 

 25 

 29 

 25 

 20 

 23 

 27 

 24 

 21 

 21 

 29 

 23 

 23 

 22 

 25 

 21 

 21 

 19 



24 -2 



31 



30 

 29 

 31 

 35 

 30 

 33 

 35 

 33 

 32 

 32 

 23 

 31 

 31 

 31 

 29 

 29 

 35 

 30 

 28 

 31 

 31 

 30 

 30 

 29 

 35 

 34 

 33 

 31 

 30 

 32 

 32 

 30 

 32 

 32 

 32 

 35 

 32 

 31 

 36 

 32 

 30 

 32 

 33 

 35 

 36 

 33 

 33 

 33 

 35 

 32 

 28 



16 

 21 

 19 

 16 

 15 

 17 

 26 

 25 

 26 

 23 

 19 

 18 

 18 

 19 

 16 

 15 

 18 

 15 

 17 

 18 

 17 

 18 

 17 

 18 

 17 

 21 

 18 

 18 

 16 

 16 

 18 

 18 

 16 

 16 

 17 

 16 

 19 

 16 

 15 

 19 

 19 

 18 

 18 

 19 

 19 

 18 

 16 

 18 

 19 

 19 

 17 

 17 



36 -0 



15 -0 



