RUBBER AND RUBBER PLANTING 239 



Carpodinus lanceolatus, 33 

 Castilloa, 8, 26, 197 et seq. 



bark of, 27 



in Central America, 198 



in Ceylon, 199 



in Jamaica, 200 



in Mexico, 198, 200 



in New Guinea, 200 



in West Indies, 200 



Markhamiana, 27 



tapping of, 28, 199 



wound response in, 59 



yield from, 198 

 Caucho rubber, 26 

 Ceara, 24 



at Peradeniya, 204 



coagulation of, 203 



difficulties in tapping, 25 



growth of, 20 1 



in Brazil, 201 



in Ceylon, 200 



in Hawaii, 203 



in Nyassaland, 204 



in Zanzibar, 201 



seeds of, 25 

 "Ceara scrap," 25 



tapping of, 24, 202 



tapping difficulties, 200 



yields from, 204 

 Centrifugal method, 159 

 Ceylon, Castilloa in, 199 



draining in, 104 



ffevea in, 7 et seq., 95 



labour in, 123, 124 



land tenure in, 97 



nodules in, 193 



plantation industry in, 10 



plantation yields in, 152 



planting distances in, 106 



rate of growth in, 1 1 1 



tools used in, 126 



transport in, 97 



wages in, 125 



Chemistry of rubber, 210 et seq, 

 Christy, C., on Funtumia, 205 

 Clearing, 98 



Clitandra henriquesiana, 33 

 Coagulation, 54, 153, 157 et seq. 

 Cochin China, 35 



Cockerill, electrolytic method of 



separation, 159 

 Coffee, as intercrop, 114 

 Coffee leaf fungus (Hemileia vasta- 



trix), 177 



Cold process, Parkes', 233 

 Collection of rubber in Brazil, 



!9 

 Collins, James, 5 



brings first seeds of Hevea, 6 

 Colloids, 2ii 

 Columbus, 3 



Condamine, C. M. de la, 3 

 Congo, 33 



rubber vines planted in, 209 



wild rubbers from, 5 

 Cortex, 40 



Cotton, as intercrop, 114 

 Cover crops, 112, 113 

 Crepe, 162, 163 



pale, 164 

 Creping, 164 

 Cross, 5 



brings Castilloa seeds, 6 



introduces Ceara rubber to 



Kew, 6 



Crotalaria, 113 

 Cultivation, 115 

 Cut, angle of, 145 



direction of, 146 

 Cuts, distance between, 146 



Deep forking, 115 

 Die-back, 191 



remedy for, 192 

 Diseases of Hevea roots, 183 

 Draining, 103 



in Ceylon, 104 



in Malaya, 104 



on hillsides, 105 

 Drought, 112 

 Drying, \6ietseq., 222 

 Dry rubber, analysis of, 85 



crop in Ibs., 73 



yield of, 77 



yields of, at Henaratgoda, 

 62 



yields per acre, 64 

 Dust mulch, 113 



