348 
. The yield is about 5 oz. per tree per annum (Kew Bulletin, 1889, 
p. 252), which gives a total yeld of about 168 lb. per acre. 
ighty 
the island of Rhio alone, about 4000 tons a year (Dict. Comm 
Ger 
countries (300 cwt., value £481) (Trade of the United Kingdom, 
i. 1911, p. 106). In 1906, 80 cwt., value £27, 1907, 20 ewt., 
value £23, and in 1908, 6400 cwt., value £7520 were imported 
from other British Possessions from whence no imports in 1909 
or 1910 (1.c. p. 106). 
Kef.—'' Gambier,” in Tropical Agriculture, Simmonds, 
pp. 387-388 (Spon, London, 1877).—'' Gambier,” in Pharma- 
cographia, Flückiger and Hanbury, pp. 335-338 (Maemillan & 
Co., London, 1879).— —': Uncaria Gambier,” in Medicinal Plants, 
Bentley and Trimen, ii. No. 139, 41 pages (Churchill & Son, 
London, 1880).—‘‘ Gambier, Pale Catechu, or Terra Japo 
in Spon’s Encyclopaedia, Div. v. pp. 1984-1985 (London, 1882). 
LL SN > ie i 
iil. ages. : 
Straits Benoni and Fed. Malay States, Feb. 1892, pp, 20—41, 
Description, History, Uses, Forms of Gambier, Cultivation and 
Manufacture.‘ La Culture du Gambi , Dr. Meyners 
D’Estrey,in Revue des Sci. Nat. Appl. i. 1892, pp. 51-53.——‘‘ The 
Production of Gambia [Gambier] in Singapore," in Journ. Soc. 
il 98-59.— —'' Uncaria Gambier,” in Dict. 
Econ. Prod. India, Watt, vi. part 4, 1898, pp. 210-211.—— 
'Gambier in British North Borneo," in Kew Bull. 1893, 
pp. 139—141.— —'* Uncaria Gambier,” in Agric. Ledger, No. 1 
,p.4 ** Culture et Préparation du Gambier,” in Journ. 
D’Agric. Tropicale, ii. 1902, pp. 333-334. La Plantation de 
Gambir de M. von. Machel, l.c. iii. 1903, pp. 80-81; Abstract 
** Cultivation of the Gambier Plant in Sumatra," in Bull. Imp. 
