Diseases of Domestic Animals in Nyasaland. 9 



Chart 3. — Curve representing the Distribution, by Percentages, in respect to Length, of 

 500 Individuals of T. pecorum, Wild-game Strain, taken on nine consecutive days 

 from Eat 510. 







9 



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32 

 30 

 23 

 Z6 

 2f 

 Zl 

 ZQ 

 ■ is 

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 K /A 



ll w 



$ 10 



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 <f 



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Breadth. — T. pecorum, Wild-game strain, measured across the broadest part 

 of the body, not including the undulating membrane, averages 1*97 micron 

 (maximum 275, minimum l - 25). 



III. The Wild Glossina niorsitans Strain. 



The tsetse flies were brought from the neighbouring " fly-country " and fed 

 on goats, monkeys, and dogs as described in a former paper.* 



Length. — The following table gives the length of this trypanosome as found 

 in the goat, monkey, dog, guinea-pig, and rat, 500 trypanosomes in all : — 



* ' Roy. Soc. Proc.,' 1913, B, vol. 86, p. 408. 



