Annals of the Transvaal Museum. 
63 
I have also observed the worms in a jackal from the 
Zoological Gardens, which had not been experimented with. 
Cysticercns tenuicollis Eud. occurs in wild ruminants in 
South Africa ; on 29th October, 1906, I found 26 specimens 
in a duiker, Cephalophus grimmi (L.), which died in the 
Zoological Gardens, Pretoria. 
It is interesting to note that this animal can, in South 
Africa, pass through its complete life circle within wild animals. 
