I  asked  my  uncle  what  Jan  meant.  lie   replied  that
                           he  had  often  heard  of the  tsetse  fly,  but  never  having
                           passed  through  a  country  infested  by  it,  he  was  disin
                           clined  to  believe  the  stories  told  of the  deadly  effects
                           of its  bite  on  cattle  and horses.