11 



INDEX. 



Page. 



Manuring for Latex ... ... 216 



„ Hevea Trees ... 449 

 Nature of Para Tree and Latex 



Extraction ... ... ... 214 



Pest, White Ant ... ... 85 



Planting Close, Advantages of .. 5 



,, Distance in ... .. 3 



Pruning Young Trees . . . . 6 



Koot Disease ... .. 10,86 



„ Growth ... ... 1 ... 4 



Rubber and Cotton, Ceylon ... 299 



Seed, Exports from Malaya ... 129 



„ Packing and Exporting ... 24 

 Tapping Demonstration at Henarai- 



goda ... ... 460 



,, During Flowering Period 11 

 Frequency of ... ...218 466 



High... ... ..461,465 



Termes Gestroi, the Hevea Termite 85 



Weeding Clean v. Inter-crops ... 8 



Yields at Henaratgoda ... ... 462 



General : — 



Acid in Rubber Coagulation " ... 209 



Ammonia on Latex, Action of .. 291 



Area in Ceylon under Cultivation... 121 

 Burgess on the Industry in 

 Britain ... .. 131,209,292 



Boom, The Rubber ... ... 213 



Caoutchouc Contents of Brazil 



Rubber .... 281 



„ Formation in Bark ... 2 15 

 Comparative Value of Plantation 



Rubbers ... ... ... 444 



Consumption in America ... 137 



Crepe in London Market ... 33 



„ Rubber ... ... 371 



Cultivation and Future Production 442 



Culture, Truth about Rubber ... 121 

 Dock Labourer and Rubber in 



London ... ... ... 363 



Drying Rubber ... ... 210 



Extracting Rubber, Methods of ... 445 

 Extraction, New Era in Rubber ... 135 

 Formalin on Latex, Action of .. 291 

 Grades of Rubber, Qualities of Dif- 

 ferent ... .. .. 367 



Industrial Demand, The ... 29 

 Industry in Ceylon and America, 



,, Plantation .. .. 26 



„ in Great Britain, Burgess 



on ... 131, 209, 292 



In Malay Peninsula . . 27, 373 



In Samoa ... . . ... 375 



Land in the Tropics, Rubber .. 446 

 Latex, Action of Ammonia and For- 

 malin on . . ... 291 



,, Chemical Composition of .. 281 



,, Sulphurising and Colouring 285 



London, Rubber in . . .. 367 



Malaya, Rubber in ... ...27,373 



Manuring Rubber ... .. 449 



Market, London Rubber.. 31, 137, 227, 304, 



376, 471 



Masticating Rubber .„ .. 212 



Mixing Rubber ... ... 213 



Nerve in Rubber, Lack of .. 373 



Olsson-Seffer on Rubber „- 121 



Overproduction in Rubber ... 441 

 Physical Properties and Chemical 

 Composition of Rubber, Relation 



of ... ... ... 364 



Plantation Industry in Ceylon and 



America ... ... 26 



Page, 



Plantation Rubber, Preferred 



Forms of ... 369 



„ „ Smoking ... 208 



Supply ... 447 



Price of Rubber ... ... 357 



Pure Rubber, Value of Chemically 454 

 Ratnnpura, Suitability for Rubber 



Growing of... ... .. 225 



Raw Rubber, Preparation of ... 209 



Rubber Formation in Bark ... 215 

 in Malaya ... ... 27, 373 



,, Samoa .. ... 375 



,, Manufacture .. ... 292 



Sabaragamuwa, Suitability for 



Rubber Growing of ... ... 225 



Samoa, Rubber in ... ... 375 



Sampling in London .. .. 361 



Seed-bearing and Overtapping ... 224 



,, Parents, Selection of .. 226 

 Separating Strong and Weak 



Rubber .. .. ... 363 



Shipment to London .. 358 



Smoking Plantation Rubber .. 208 



Solution Making ... .. 293 



Sulphurising Rubber in Ceylon ... 285 

 Tapping Methods .. ...260,345 



Vulcanising Methods and Ingre- 

 dients .. ... ... 282 



Vulcanisation.. .. .. 281 



Washing Raw Rubber .. 211 

 Yields in 1905, Comparison of Plan- 

 tation . . 445 

 „ of Plantations, Future .. 448 



Oils and Fats :— 



Citronella in Ceylon ... ... 140 



Oil, Ceylon .. .. 142 



„ Test, Schimmel's ... 142 



Lemongrass in Ceylon ... ... 140 



Oil, Ceylon ... ... 142 



„ „ Refined in Ceylon 140 

 Schimmel's Citronella Test, Sage and 142 

 Schleichera or Kusam Oil and Fat... 309 



Fibres :— 



Bamboo for Paper-making ... 379 



Bark Fibre from Calotropis ... 42 



Calotropis or Madar Floss ... 44 



Cotton Deterioration in Ceylon ... 204 



,, Growing Notes.. ... 41 



., Improvement by Seed Selection 171 



,, in Ceylon ... ... 231 



SeedSelection ... 171,203,479 



Madar Fibre Plant ... ... 42 



Dye Stuffs and Tanning Substances :— 



Mangrove Bark, Collection and Ex- 

 port of ... 37 

 ,, Leather Produced 



from . . 39 



., ,, Trade ... 39 



, ; Utilisation of ... 36 



,, Barks, Varieties of ... 36 



„ Extract, Manufacture of 38 



,, in Africa ... .. 36 



„ East Indies .. .. 37 



Drugs and medicinal Plants:— 



Cinchona Barks and Cultivation.. 46 



„ Formation of Alkaloid in 47 



,, Growth of Bark in ... 47 

 Drugs, Cultivation in German East 



Africa of .. ... «. 50 



Quinine in Cinchona Bark m 47 



