IMPERIAL INSTITUTE SERIES OF HAND- 

 BOOKS TO THE COMMERCIAL RESOURCES 

 OF THE TROPICS 



RUBBER: Its Sources, 

 Cultivation and Preparation 



By HAROLD BROWN 



TECHNICAL SUPERINTENDENT, SCIENTIFIC AND TECHNICAL DEPARTMENT 

 IMPERIAL INSTITUTE 



With Illustrations. Demy 8vo. 6s. net 



CONTENTS: INTRODUCTION RUBBER IN BRITISH 

 AFRICA THE PRINCIPAL RUBBER-YIELDING PLANTS 

 LATEX THE TAPPING OF RUBBER PLANTS THE PRE- 

 PARATION OF RUBBER THE CHEMISTRY OF RUBBER 

 STATISTICS OF CONSUMPTION AND PRICES THE PARA 

 RUBBER TREE (Hevea brasiliensis, Miill. Arg.) THE 

 CEARA RUBBER TREE (Manihot Glaziovii, Mull. Arg.) 

 THE AFRICAN RUBBER TREE (Funtumia elastica, Stapf) 

 THE AFRICAN RUBBER VINES THE CENTRAL 

 AMERICAN RUBBER TREE (Castilloa elastica, Cerv.) THE 

 ASSAM RUBBER TREE (Ficus elastica, Roxb.) AND OTHER 

 SPECIES OF Ficus. 



" There is probably no person better qualified to 

 write a handbook on rubber ... a carefully com- 

 piled and extremely valuable text-book." West 

 India Committee Circular. 



" To planters, manufacturers, merchants and 

 students alike, the book should be invaluable as a 

 guide to the scientific exploitation of rubber/' 

 African World. 



