another fly exactly like the house-fly, but having a straight hard
proboscis instead of a soft one; other large flies make the blood run.
The tsetse does not disturb the buffaloes, but these others and the
smaller flies do. The tsetse seem to like the camel best; from these
they are gorged with blood--they do not seem to care for the mules and
donkeys.

[Illustration: Carved Door, Zanzibar.]

FOOTNOTES:

[3] Dhow is the name given to the coasting vessel of East Africa and
the Indian Ocean.

[4] The Commander of H.M.S. _Pioneer_ in 1861.

[5] Those who have read the accounts given by African travellers will
remember that the bites inflicted by two or three of these small flies
will visually lay the foundation of a sickness which destroys oxen,
horses, and dogs in a few weeks.

[6] Dr. Livingstone was anxious to try camels and Indian buffaloes in
a tsetse country to see the effect upon them.

[7] This refers to an attack made upon the boats of the _Pioneer_ when
the Doctor was exploring the River Rovuma in 1861.

[8] A species of hemp.