182 Col. Sir D. Bruce and others. Zrypanosome  [Oct. 1, 
From a comparison of Tables II and III, Chart 1, and the coloured figures 
of the two species, it is evident that 7. pecorwm and 7. nanwm resemble 
each other very closely morphologically. 
Table II.—Showing the Distribution in respect to Length of 100 Individuals 
of 7. nanum, Uganda, 1909. 
No Microns. Average, 
of expt. Be se. 
1G 12 13 14. 15 16 ; 
689 aa == 7 8 4, 1 13 ‘9 
698 = 1 — 2 7 10 15-2 
882 1 5 10 3 1 — 12 °9 
883 1 4 5 7 3 — 13 °3 
1691 — 1 2 8 8 1 13 °7 
Potals.<. 4... 2 | 11 | 24 28 23 | 12 | 
Percentages 2°0 | 11°0 | 24 °0 28 0 | 23 °O | 12°0 | 
Table I1I.—Showing the Distribution in respect to Length of 260 Individuals 
of 7’. pecorum, Uganda, 1909. 
No. Microns. Average, 
of in 
expt. |g | 9 | 10. | ipl | 12 ney) TY) | 15. | 16 | 17. | 18. | “See 
82 aS ee 2 6 8 3 1 a et G|\ oS eae 11°7 
505 aa} 2 2 9 4 1 2 ee eee 12°3 
Bie, FO ee Ma 2 3 6 6 3 a eS 13-2 
593 A ee if ils 2 1 3 q 5 Vee 14.°5 
Aan aoe 4 2 5 3 6 ee hal 12 °2 
559 | eet eee 2 9 4 Anahas 1) ee ee 12°7 
461 a || ee ee 5 4, 1 2 6 2 15°3 
543 2 ope Da We 2 6 6 PR ee ee 14°3 
1406 ae on 1 5 2 5 5 9.) een 13-7 
551 cee 3 3 3 3 3 2 Te yeas ee] 12°6 
626 —|— 3 2 3 2 if 3 ame ef ie 12°8 
398 2B | oa eS ae ee 1 9 6 A A ea 14°6 
398 ema | eas 1 1 3 9 4 st 1 i j= 13 ‘1 
Totals .... 1 | — | 16 23 50 AD 59 35 20 suhag 
Percent- |0°4| — | 6°1 | 8°8 | 19:2] 17-3 | 22°7| 18° | 7-7 | 3:1 | 1-2 
ages 
