The lower fowss of aateal life of the Belgian Congo are 
b«t poorly, if at all, represented in the study eollections of 
the Onited States flatlonal Husem, expect to aiaterially 
enhance the scientific worth and ispcrtance of the riational 
Collections with the "fruits’* of this expedition. You are well 
aware of the fact that Kany of these invertebrates are also of 
great econosuic Isiportance fre^ botii a mdical and agricultural 
point of view. 
Both our organizations should have much to gain in learning 
more about the forms of sniKal life to be Investigated, and 
their distribution in ti,ie Belgian Conp>, He therefore sincerely 
tope that Mr. Sexton may be mtle available to us for the dura- 
tion of this eaqsedition. 
?ery truly yours. 
J. E. Graf 
Actii^ Secretary 
=4ScliBitt{yb 
