Continuation of May lU/55 letter 
ingested permits the identification of the animals upon Tdiich the fly 
has fed. Its remarkable what can be told about a drop of blood. This 
approach is used in study of m mosquitoes too. You cannot 
tell upon which man a particular blood feeder feasted, but you can tell 
man, and the different hosts of the fly or mosquito from the blood you 
find in them, Me were shown over the station, laboratories and various 
lines of work. They even carry on studies of earthquakes and volcanoes. 
Biochemistry, nutrition, parasitology (animal) but they have no mite 
man that sort of thing is largely the concern of agriculture, and that 
is why Baker's visit is so timely and interesting to the people here. 
One thing that's been bothering us in our filming is getting photographs 
of living mites. To begin with the "things" are so very small. For 
the most part the plant mites are found on the underside of leaves where 
it is shady coolerj so when you put a bright light on them, the heat of 
it makes them run away. However, in the laboratories here at Lwiro we 
believe we've gotten what we wanted. I marvel at the conpleteness of 
the equipsnent, We are f "poor relations" in the Smithsonian ccmpared 
with what these Belgian laboratories have, both as regards buildings and 
equipnent. Microscopes the like of which we don't even produce in the 
States, mostly feimian make, however. 
Living on part of the reservation, across from van den Berghe, 
the director, is Dr, James P, Chapin, an old Congo hand who first explored 
in the Congo as a young man of 19 back in 1909<. He probably knows this 
part of the world better than aiy one other man, having traveled far and 
wide over it. His specialty is birds, and He's never without his field 
glasses and seldom without his gun, because he’s wanting to document 
his observations with specimens of the birds concerned. 8o, he doesn't 
