184 , Col. Sir D. Bruce and others. Trypanosome [ Oct. 1, 
Cuart 2.—Giving Curves representing the Distribution, by Percentages, in respect to 
Length of 7. nanum, Uganda, 1909, and Dr. Balfour’s 7. nanum, Sudan, 1904. 
Ae Io II IZ I3 TA I5 IO Microns. 
G9) 
40 
Sata 
mes Awes CRIN 
PEERS 
“led then | Sa ee ee ae 
T.nanum, Uganda,r909. : 
ee ee = T nanum, Sudan ,1904. 
Percentages. 
From a comparison of these tables and the figures in Plate 13 there can 
be little doubt as to the identity as regards morphology of 7. nanwm, 
Uganda, 1909, and Dr. Balfour’s 7. nanwm, discovered in the Sudan 
in 1904 :— 
ANIMALS SUSCEPTIBLE TO T. NANUM, UGANDA, 1909. 
| 
| Sinceron | Period of Duration 
| DN 
Date. | me ear _ incubation, | of disease, Remarks. 
| eves : ; Ls 
| expt. | | in days. in days. 
| | | 
Cattle. 
| 1909. | 
Feb. 5 503 | Nat. infec. | ? 245 From Namukekera. Died of 
T. nanum. 
|} June 25| 1118 | ee P 3 From Namukekera. Died of 
| T. nanum. 
Sept. 29 780 | Ox 983 = = | Never showed trypanosomes ; still 
| alive after 47 days. 
June 11 982 | Ox 503 — — Never showed trypanosomes ; still 
| alive after 141 days. 
Bee de 983 s 20 141 Killed. 
Goat 
Apr. 12| 698 Ox 503 25 137 Died of 7. nanumn. 
May 21} 9882 , 26 91 as 
Peet 883 i 6 46 > » 
| Sept. 16; 1691 Oxen 503 8 12 - ‘ 
& 982 
Average ... 16 | Zak: 
Sheep. 
May 21 880 Ox 503 — = Never showed trypanosomes ; still 
| alive after 82 days. 
* Duration includes the days of incubation; it dates from the day of infection. 
