A WHITE KAVIRONDO 
57 
in the district, though I think I saw it on another occasion. I 
have taken the Grenis twice during the present year more 
recently and seen others, and I have seen what I took to be a 
specimen of the Libythea. 
It remains to be said that the migration throughout was 
from S.S.W. to N.N.E., the wind being light from the E.N.E., 
and also that the date of the captures was March 31. The 
wind went round to the S.S.W. five days later and blew strongly, 
the first heavy rains falling two days afterwards. 
This observation seems to indicate that butterflies which 
are usually non-migrants may be stimulated by abnormal 
conditions to become migrants, and that these occasional 
migrations may enable the species to occupy new ground. 
A WHITE KAVIRONDO 
By C. M. Dobbs 
In the year 1907, while on tour in North Kavirondo, I was 
informed by one of my personal boys that there was a Kavi- 
rondo native close to my camp whose skin was considerably 
whiter than my own. On going to investigate, I found a boy 
of about eight to ten years old, quite white. He had a most 
unpleasant appearance, as his body was covered with super- 
ficial sores and looked as if the skin was not thick enough and 
had got rubbed off in parts. The upper teeth were also very 
prominent. On asking if there were any other white natives 
in the neighbourhood, I was informed that two similarly 
coloured native women were in the district, but this boy was the 
only one I ever saw. 
I do not know whether freaks of this nature are common 
among the natives of this country, but perhaps some of the 
members of the Society could give some further information 
on the subject and explain what actually is wrong with such 
persons to make them white. 
