261 
Materials, figures are not readily separated from the returtis given 
in reference to some of the products mentioned in the above notes; 
the ‘‘ Unenumerated ’’ Gums from Foreign Countries amountin 
for instance in 1913 to 162,065 cwts. value £392,588 and from 
British Possessions in the same year, including Sierra Leone, 
Gold Coast, Zanzibar, Aden, British India, Straits Settlements, 
Australia, &e., to 67,535 ewts., value £135,498. 
RUBBER, GUTTA-PERCHA AND BALATA. 
Para Rubber (Hevea brasiliensis, Muell. Arg.). 
BritisH.—Ceylon, Straits Settlements, Federated Mala 
States. ForEtan.—Brazil-Amazon Region, Dutch East Indies. 
Under cultivation in West Africa—Sierra Leone, Gold Coast, 
Togoland, Nigeria, &c., in Trinidad, Dominica, Mauritius, 
Seychelles, East Africa, Zanzibar, &e. 
Plants or seeds were distributed to the various Colonies from 
the Royal Botanic Gardens, Kew, beginning about 1873. The 
returns of rubber imported into the United Kingdom show that 
plantation rubber from British Possessions in the East now 
exceeds that from wild trees in Brazil, the original home of the 
plant. The imports in 1915 were, from the Straits Settlements 
660,532 centals (of 100 lb.) value £7,384,830; Federated Malay 
States, 288,803 centals, value £3,540,071; and from Ceylon, 
286, 097 centals, value £3,230, 218, or a total from these 
Bikineazicnen of 123,543,200 Ib., value £13,955,119, against 
28,639,100 1b., value £5,240, 779 from Brazil. See also K.B., 
1907, p- 153; 1908, p. 379; 1914, p. 162; 1917, p. 118. 
Ceara Rubber (Manihot Glaziovii, Muell. Arg.). 
Forrian.—Brazil, German East Africa. 
Cultivated in tig: and the Colonies mentioned under Hevea. 
“‘Jequie Manicobas’’ (Manihot spp.) natives of Brazil, and 
recently Econ aaa to many British Colonies, are fully dis- 
cussed in A.B. 1908. p. 59, and 1910, p. 204. 
Assam Rubber (Ficus elastica, Roxb.). 
Britisu.—Assam, Burma, Federated Malay States. Foreren. 
—Java, Sumatra. 
Distributed by cultivation to the Colonies mentioned above. 
Lagos, Silk or West African Tree Rubber (funtumia elastica, 
Stapf) 
Cameroons, Liberia, &c. 
Cultivated on a large scale in most of the West African 
Colonies and Uganda, in the Cameroons, Congo, &e., and dis- 
tributed to Trinidad, "Straits Settlements, and other Tropical 
