UNITED STATES DEPARTMENT OF AGRICULTURE 
AGRICULTURAL RESEARCH SERVICE 
PUANT QUARANTINE BRANCH 
WASHINGTON 25, D. C. 
Decesiber 13, 1955 
Mr. Dale E. Wolf 
B. I. du Font de Memours & Com^my 
Grasselll Cheoicals Bapartaient 
Building 268, ii3q}eriaent Station 
Viladlngtoa 93, Deleorare 
Dear Mr. Wolf: 
We have received your letter of December 7 in further 
reference to the soil samples collected in Africa by Dr. 
Waldo L. Schfflitt, Ifead Curator, Department of Zoology, B. S 
Kational Museum, and uhich are in the possession of tMs 
office pending disposition. 
2h vieir of your assurance that the soils will be handled 
with all necessary precautions including tiie sterilisation 
of all residues, eipipment and solutions at the termination 
of your studies, ve are releasing the soil samples for 
delivery to you at the Experiment Station. 
Very truly yours, 
W. H. Wheeler, Head 
Nursery Stock Section 
Gc : Dr. W. L. Schmitt 
