88 



New (Third) Edition of 



"Hevea brasiliensis 



OB 



Para Rubber," 



BY 



HERBERT WRIGHT, F L S , Assoc. R.CS. 



(Editor, " India.Rubber Journal"). 



The Third Edition has been consideraWy enlarged and revised, and contains all 

 the latest Information of importance to Rubber Planters throughout the world. 



Among the additional points dealt with may be mentioned : 



Present planted acreages in Eastern Possessions ; Rubber Developments in 

 Java, Borneo, "West Africa ; Rubber growing districts in Jamaica. Trinidad, 

 Surinam. Nicaragua, etc. ; Yields of Rubber on the large Eastern Estates ; 

 London buyers on Ceylon and Malayan Rubber ; New methods of preparing 

 and packing Rubber ; Disposal of small classified consignments ; New inven- 

 tions for smoking Latex and Rubber ; Advantages and Disadvantages of Wet 

 and Dry Rubber ; Methods of improvingstrength of Plantation Rubber ; Vul- 

 canization tests with Plantation Rubber ; Effect of Coagulants on strength 

 ®f Rubber ; Analyses of highest-priced Plantation Rubber ; Analyses of 

 Latices from normal trees in Ceylon ; Analyses of Latices from over-tapped 

 trees in Ceylon ; Frequency of Tapping and effect on trees and Rubber ; 

 Inferior Plantation Rubber and method of Tapping ; Yields from widely ana 

 closely planted Estates ; Percentage of Rubber in manufactured articles ; 

 Rubber Substitutes ; Composition and value ; Syuthetic Rubber and the 

 Plantation Industry ; Factory requirements according to output ; Systems of 

 tapping on well-known Estates ; The latest tapping knives of importance ; 

 Manurial experiments and results ; Important Rubber-yielding species of 

 Rubber ; New Diseases pf Rubber Trees and Precautions necessary ; Cost of 

 planting and upkeep in South India, Malaya, Java, Borneo, etc ; Catch Crop 

 for Para Rubber ; Protective forest belts ; Direct use of Plantation Rubber ; 

 Vulcanization and colouring of Latex ; Its practical value. 



The Second Edition (out of print) comprised 167 pages and 54 illustrations. 

 „ Third „ (now ready) comprises about 300 pages and 90 illustrations 



The book will be the most Up-to-date publication on the subject in the world. 



Price : Ten Shillings net, or Ten Shillings and Sixpence^ 

 post free. 



ALL RUBBER BOOKS KEPT IN STOCK. 



