Dr. P. C. Spensley, Assistant Director, Tropical Products Institute, London. 
Mr. M. D. ffrench Mullen, Director of Agriculture, Mauritius. 
E. J. H. Corner, Reader in Botany, Cambridge University. 
Dr. A. V. Castillo, Director, Rubber Program, Mexico. 
Dr. G. Markovitch, U. N. Technical Adviser. 
Dr. Salim Ali, Bombay University. 
Dr. G. P. Askew, Soil Scientist, Wye College, England. 
Dr. K. N. Kaul, Director, National Botanic Gardens, Lucknow, India. 
Mr. A. Dilmy, Director, Herbarium Bogoriense, Indonesia. 
Mr. Sadikin Sumintawikarta, Director, Kebun Raya, Indonesia. 
Prince Chalermbol of Thailand. 
Princess Chumbhot of Nagor Svarga, Thailand. 
Mom Chao S. Sonalkul, Bangkok, Thailand. 
Nai Tern Smitinand, Royal Forest Department, Thailand. 
Mr. J. Wyatt-Smith, Forest Research Institute, Kepong, Malaya. 
Dr. J. W. Evans, Director, Australian Museum, Sydney. 
Mr. D. Rhind, Department of Technical Co-operation, London. 
Dr. A. A. Kirpichnikov, U.N.E.S.C.O., Jakarta. 
and many others. These visits afforded occasion for useful and interesting 
discussions. 
8. Many visiting research workers use the facilities of the herbarium, 
library and Gardens : 
Mr. D. H. Nicolson, Cornell University, U.S.A. (Araceae). 
Prof. J. E. Canright, Indiana University, U.S.A. (Annonaceae)*. 
Mr. K. M. Kochumen, Forest Research Institute, Kepong. (Herbarium 
practice). 
Mr. Ho Sai Yuen, Forest Research Institute, Kepong. (Art work). 
Dr. Harold St. John, Bishop Museum, Honolulu. (Pandanus). 
Professor E. C. Abbe, University of Minnesota, and Mrs. L. Abbe. 
Macalister College, St. Pauls, U.S.A. (Fagaceae and Myricaceae). 
Mr. R. B. Kaul, University of Minnesota, U.S.A. (Hydrocharitaceae). 
Dr. J.A.R. Anderson, Forest. Department Kuching. (Ecology of swamp 
forests). 
Mr. J. Womersley, Forest Department Lae, New Guinea. (Bananas). 
Dr. Mamoru Ohashi and Mr. Makoto Togashi, Tokyo Kyoiku University, 
Japan. (Phytochemistry). 
Mr. P. H. Allen, United Fruit Coy, Honduras. (Bananas). 
9. The facilities of the Department were made freely available to mem- 
bers of the staff and to sponsored students of the Universities of Singapore 
and Malaya. 
10. The usual very large number of casual visitors came to the Gardens 
during the year. 
VI. CONCERTS 
11. The Singapore Police Force band gave eleven concerts during the 
year by courtesy of the Commissioner of Police. The Ministry of Culture 
staged one Aneka Ragam Ra’ayat variety show. 
VII. PUBLICATIONS 
12. Parts 2 and 3 of The Gardens ’ Bulletin, Singapore, Volume 18 
were published. Papers for the whole of volume 19 were to hand at the 
end of the year with little hope of early publication owing to the low priority 
in the Printing Office accorded to papers of scientific research. 
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