INDEX 



Acmocera conjtix, 169 



Acreages of rubber plantations, 4-5 



Africa, British West, production 



of rubber in, 12 

 Africa, production of rubber in, 



G, 8 

 African rubber tree (seo Fun- 



tumia elastica) 

 African rubbers, niarket values 



of, 97-100 

 Abiioidina, 33 

 Alstonia plumosa, 42 

 America, production of rubber in, 



6 

 Analysis of crude rubber, 86 

 Antwerp, imports of rubber at, 94 

 Apocynaceae, rvibber plants of 



the, 37-43 

 Asclepiadaceae, rubber plants of 



the, 36-7 

 Asia, production of rubber in, 6, 9 

 Assam rubber tree (see Ficiis 



elastica) 

 Assam, Ficus elastica in, 227-31 ; 



yield of rubber from Ficus elas- 

 tica in, 232, 233 



Baissea multiflora, 14 



" Balata " from Northern Nigeria, 

 21, 235, 236 



Bauhinia reticulata leaves, in- 

 fusion of, for coagulating Fun- 

 tumia elastica latex, 166 



Belgian Congo, yield of rubber 

 from Hevea brasiliensis in, 135 ; 

 yield of rubber from Manihot 

 Olaziovii in, 155 ; yield of rubber 

 from Funtumia elastica in, 183 ; 

 yield of rubber from Castilloa 

 trees in, 225 



Bleekrodea tonkinensis, 36 



Bolivia, production of rubber in, 8 



Bordeaux, imports of rubber at, 

 94 



Borneo, British North, area under 

 rubber in, 5 ; production of 

 rubber in, 10 



Brazil, production of rubber in, 

 6 ; collection and preparation 

 of Para rubber in, 104-5 ; yield 

 of rubber from Hevea brasiliensis 

 in, 105 ; yield of rubber from 

 Manihot Glaziovii in, 140, 150; 

 rate of growtli of Manihot Olazi- 

 ovii in, 145 



British Empire, production of 

 rubber in, 9 



" Brown cluster " rubber from 

 Northern Nigeria, 21 



"Brown medium" rubber from 

 Northern Nigeria, 21 



Caloniction speciosum (see Ipomoea 

 Bona-nox) 



Cameroons, area luider rubber in, 

 5 ; rate of growth of Funtumia 

 elastica in, 171 ; yield of rubber 

 from Funtumia elastica in, 183 



" Canker " of Hevea brasiliensis, 

 118 ; of Funtumia elastica, 170 



Caoutchouc, chemical reactions of, 

 82 ; constitution of, 83 



Carbohydrates, amount present 

 in rubber, 55 



Carpodinus fulva, 20 



Carpodinus gracilis, 41 



Carpodinus hirsuta, 20, 41 ; com- 

 position of rubber of , 2 1 1 



Carpodinus leucantha, 41 



Castilloa australis, 213 



Castilloa costaricatui, 213 ; yield 

 of rubber from, in Jamaica, 225 



Castilloa dagucnsis, 213 



Castilloa elastica, 2, 34, 212-26; 

 cultivation of, 4, 217-9 ; botani- 

 cal characters, 213; distribu- 

 tion of, 214 ; tapping of wild 

 trees, 215-6; coagulation of 

 latex of, 216-7, 220-1 ; tapping 

 of cultivated trees, 219; yield 

 of rubber from wild trees, 221 ; 

 yield of rubber from cultivated 

 trees, 221-6; composition of 

 rubber of, 220 



239 



