SHORT LIST OF REFERENCES 



1. CLAYTON BEADLE and H. P. STEVENS. Rubber. 



2. Catalogue of the Second International Rubber and Allied Trades 



Exhibition. London, 1911. 



3. Catalogue of the Third International Rubber and Allied Trades 



Exhibition. New York, 1912. 



4. C. CHRISTY. The African Rubber Industry and Funtumia elastica. 



1911. 



5. Circulars and Agricultural Journal of the Royal Botanic Gardens, 



Ceylon. 1898-1912. 



6. J. COLLINS. On the Commercial kinds of Indiarubber. Journal of 



Botany. 1868. 



7. British Manufacturing Industries, Guttapercha and India- 

 rubber. 1876. 



8. Encyclopaedia Britannica, ninth edition, Article on Indiarubber. 



9. Sir CLEMENTS MARKHAM. The Cultivation of Caoutchouc-yielding 



Plants in British India. Journal of the Society of Arts. 1876. 



10. Sir DANIEL MORRIS. Sources of Commercial India-rubber, Cantor 



Lectures. Journal of the Society of Arts. 1898. 



11. T. PETCH. The Physiology and Diseases of Heveabrasiliensis. 1911. 



12. PHILIP SCHIDROWITZ. Rubber. 1911. 



13. CARL OTTO WEBER. The Chemistry of India Rubber. 1902. 



14. J. C. WILLIS. Agriculture in the Tropics. 1909. 



15. HERBERT WRIGHT. Hevea brasiliensis or Para Rubber, fourth 



edition, 1912. 



1 6. The Tropical Agriculturist to 1912. 



