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ASSISTANT OF FORESTRY 
DIVISION OF FORESTRY 
FACULTY OF AGRICULTURE 
'OKYO IMPERIAL UNIVERSITY 
HONGO, TOKYO, JAPAN 
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M. A. S. ARGON 
ing. Agr. Sub. Dir, Gen. of. 
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Taizo Inokuma 
ASSISTANT PROFESSOR OF FOREST BOTANY 
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DIVISION OF FORESTRY 
FACULTY OF AGRICULTURE 
TOKYO IMPERIAL UNIVERSITY 
HONGO. TOKYO, JAPAN 
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Zoological Society of San Diego 
San Diego, California, U. S. A. 
LEON G. GONZALEZ, PH.D. 
associate professor of agronomy 
4&L-HQ 
UNIVERSITY OF THE PHILIPPINES 
COLLEGE OF AGRICULTURE 
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