COPY 
E. I. du Pont de Nemours & CcanpanY 
Incorporated 
Stine Laboratory 
Newark, Delaware 
Gresselli Chemicals Department 
September 18, 1956 
Dr. Waldo L. Schmitt 
Head Curator 
Department of Zoology 
Smithsonian Institution 
Washington 25, D. C. 
I 
C.^ 
Dear Dr. Schmitt: 
Since your last contact with Dr. Wolf early this 
year, he has changed positions and your letter of August 8, 
along with your other correspondence, has been referred to 
me since I am directly involved with soil screening. We 
are in a position to handle the soil samples and will be 
glad to receive them. 
As with the African soil samples, the du Pont 
Conqpany will be happy to test and accept these new soils 
with the understanding that the Staithsonian Institution 
and all other interested parties waive all rights with 
respect to the sanqples and any useful products idiich may 
result from them. As you indicated in your letter, such 
an arrangement appears once more to be a satisfactory 
basis on which to proceed. 
Thank you very much. 
Very truly yours, 
/s/ J. W. McGahen 
J. W. HcGahan 
Animal Medicine Section 
JV®IcG:vp 
