406 
[4266 lb.] of leaves were collected for which royalty was paid. 
The price obtained for gutta-percha obtained by tapping was 
3s. 63d. per 1b., but the profit was ns very poor compared 
to that of leaf ‘collection. An experiment in extracting it from 
Bull. 1891, 
Gutta Sieh is now valued at about 3s.—4s. per Ib. It is 
imported chiefly from the Straits Settlements and GO eiie 
The Customs returns show imports of Gutta Percha with Mice 
Balata obviously included, and for convenience the figur 
given as die but it may be safely stated that the e IM 
from British Guiana, Venezuela, and contiguous countries are 
entirely those of Balata. The total amount imported in 1912 
wt. value £745,050, "n included 17,638 cwt. 
value £153, 301 (Str. Sett. and De ependencies EE "Labuan), 
G cwt. value £254,517 (Venezuela), cwt., value 
£98,614 (B. Guiana), 5478 cwt. value £110, 035 “(Dutch Guiana), 
and the remainder from Germany, Netherlands, France, U.S 
America, B.W. Indies, other Brit. Possessions: and Foreign 
Countries (Trade of the Unit. Kingdom for 1912, Vol. i, 1913, 
p. 121). 
Ref—"" Botanical Characters of a New Plant (Zsonandra 
Gutta): yielding the Gutta Percha Commerce,’’ Hooker, in 
London Journ. Botany, vi. 1847, pp. 463-465; Reprint i in Pharm. 
Journ. [1] vii. pp. 179-181; Transl. “ Sur le Gutta Percha et la 
plante qui le produit," in Ann. Sc. Nat. Series 2, vill. pp. 193- 
95. De Handel in Getah Pertja (Gutta Percha), De Vriese, 
pp. 1-46 (Te Leyden, Bij A. = y inu 1856).——'* Gutta 
—4 
Percha," in Kew Report, 1881, pp Origines botaniques 
de la Gutta Percha, Beauvisage, pp 66 (Paris, 18 
** Gutta Percha,” in Spons’ Encycl. Industr. Arts, p 1 
1654 (E. & F. N. Spon, London, 1882). ** Gutta Percha,’ 
in India Rubber Journ. Nov. 5, 1884. due: Percha," Its 
History, meee and Supply, le. March 4th, 1885, 
pp. 197-199. apport du Docteur W. Burck. . . A la 
one des Espèces d’Arbres qui produisent la Gutta-percha, 
pp. 1-57 (Imprimerie Coloniale, Saigon, 1885).——“‘ Origin Bot. 
de la Gutta Percha, Burck, in Ann. Jard. Bot. Buit. 1885 
pp. 1- -80.—‘ Dichopsis Gutta," in Med. Pl. Bentley and 
7 ** Dichopsis Gutta,” in Dict. Econ. 
Prod. India, AM lil. 1890, pp. 103-106. Some acts con- 
ta 
London, Dec. 1890, an nd J an. 1891, pp. 1-22, from an article by 
i ique. “ Rediscov ery of Gutta 
Percha Tree at t Singapore (Dichopsis Gutta), in Kew Bull. 1891, 
pp. 280- 231. "New Process for Recovering Loss of Gutta 
Percha,’ Le. Pp. pp. 231— 239. 
‘Indian Gutta Percha,” 1.c. 1892, 
