314 



THE RUBBER INDUSTRY 



34, 36, 42, 47, 56, 57, 66, 

 67. 77. 78, 80, 81, 84, 85, 

 88, 89, 90, 98, 103, 123 



Purus (Upper), 53, 79 



Putamayo, 34 



Quinine (Java), use of, 280 



Raffles, Sir Stamford, 276 

 Rainfall (Amazon Valley), 8, u, 12, 



30, 64, 81, 121 

 (Malay Peninsula), 121, 178- 



80 



(Ceylon), 132, 142 

 (Sumatra), 234 

 (Java), 262, 263, 283 

 Rambong. See Ficus 

 Rangkas-Bitoeng, 261, 262, 263 

 Rapids, 22, 36 

 Raub, 179, 1 80 

 Recreio (Amazon Valley), tests of 



density of latex at, 81 

 Regatones (Syrian pedlars), 58 

 Rent (Malay Peninsula) : propor- 

 tionate cost of, to pound of 

 rubber, 126 ; estimate of, on 

 new estates, 188 ; working 

 costs of, 189, 221, esti- 

 mated future, 223 

 (Sumatra), estimate of, on new 

 estates, 241 ; working costs 

 of, 242, estimated future, 

 256 



(Java), estimate of, on new 

 estates, 269; working costs 

 of, 271 



Resiliency, high standard of, at- 

 tained by black Hevea, 3, 120 

 Rice, cultivation of (Ceylon), 133 

 (Sumatra), 236 

 (Java), 277 



Ridley, Mr. H. N., establishes 

 plantations in Malay Peninsula, 

 167 



Rio Branco, River, 7, 22, 23 

 Rio de Janeiro, 20, 21, 23, 30, 37, 

 112, 113; botanical gardens at, 

 116 

 Rio Grande del Norte, 14, 52, 



121 

 Rio Negro, River, 7, 27, 103 



River Plate, 62 



Rivers (Amazon Valley), gradient 

 of, 8 ; transport by, 21 



Roads (Ceylon) : poll tax for main- 

 tenance of, 131 ; cost of, on 

 new plantations, 135 ; work- 

 ing costs of, 137 

 (Malay Peninsula), propor- 

 tionate cost of, to pound of 

 rubber, 1 26 ; cost of, on new 

 plantations, 188 ; working 

 costs of, 189, 221, estimated 

 future, 223 



(Sumatra), cost of, on new 

 plantations, 241 ; working 

 costs of, 242, estimated 

 future, 256 



(Java) cost of, on new planta- 

 tions, 269 ; working costs of, 

 271, 286 



Root canker. See Fomes 



Rotterdam, 275 ; cost of ship- 

 ments to (Java), 287 



Roxbury Indiarubber Company, 2 



Rubana Estate, 219, 222 



Rubber boom of 1909, 99, 134-5, 

 171, 182, 183, 191, 231, 239, 

 240, 264, 266, 268 



Rubber (Brazilian), origin of indus- 

 try, i ; earliest uses of, 2 ; 

 vulcanization, 2 ; Hevea, 3 

 (and see title Hevea) ; output 

 from Amazon Valley for year 

 to June, 1913, 5 ; Ceara 

 rubber, 5 ; Brazilian ship- 

 ments, 6 ; area of produc- 

 ing districts, 6 ; sole im- 

 portant industry of Amazon 

 Valley, 7 ; temperature, 10 ; 

 rainfall, 1 1 ; land tenure, 

 15-17 ; export duty on, 18 ; 

 transport, 21-3 ; characteris- 

 tic features of Amazon Valley 

 industry, 26 ; ditto of Orient 

 industry, 26 ; expeditions 

 for collecting, erroneous im- 

 pression as to, 26-7 ; classi- 

 fication of producing dis- 

 tricts, 27 ; (Amazon delta 

 district, 28 ; life of collectors 

 in, 28 ; estrada system in, 



