407 
pp. 296—297. “The Chemistry of Gutta Percha, " Sharpe in 
idis Rubber Journ. Feb. 8th, 1893, pp. 193-19 ** Extrac- 
tion of Gutta Percha from Leaves " Kew Bull. 1397, p. 200. 
e mes. Percha,” Oba ch, in Journ. Soc. uc xlvi. 1897, 
Percha," in Kew Bull. 1808, pp. 139-141: gion of prices, 
‘Pal Ga 
yield from leaves and ae UE. alaquium Gutta, 
es Pl. à Caoutch. et à Gutta, Jumelle, pp. 131— 143, pee 
P. oblongifolium (A. Chine Parii. .1898).— —''Palaquium 
utta,” in Medizinal Pflanzen, Kóhler, 1H. 2 pp, < Palaquium 
oblongifolium, "L6. 2 pp., ‘Gutta Percha,” 1.c. 4 pp.—— Gu 
Percha (Gutta Taban), » ete., in All about Rubber and Gutta- 
Percha, Ferguson, pp. 9-17, and ‘ “Collection and Preparation of 
Gutta-Pe rcha,” l.c. pp. 70-71 (H. M. and J. Ferguson, Colombo, 
1899). “La Gutta-Percha,” in Revio des Cultures Coloniales 
vii. 1900, pp. 678-688 and pp. 716-724.——“ Die e Kabelfrage und 
die Guttaperchakultur, " Schumann, in Der Tropenpflanzer, iv. 
1900, pp. 333-340.——* Guttaperchakultur in Kamerun," 
Warburg, l.c. pp. 340-342.— —'* Gutta-Percha in Dutch India," 
in the India Rubber Journal, Sept. 30th, 1901, pp. 253-254, 
Transl. from the i-Zei ——' Reisebericht der 
i cen Marburg Fe SE 1902, - pp- 561-564; "Über 
: "La Gutta-percha et le ee en 
Malaisie," in L' Agric prat. pays chauds, ii. 1902-03, 2 
603.— “La Gutta-Percha en Nouvelle-Guinée, D’Abban in 
L’ Agric. prat. pays chauds, ii. 1903-04, pp. 491-492, Dichogsis 
oblongifolia, ete. b 
Piaggio Islands, Sherman, Bull. No. 7, 1903, Dept. of the 
Interior, Bureau Govt. Laboratori ries, Manila, pp. 3, plates 
1—41, with map (from Obach’s ** Gutta Pe rcha 
bution of Palaquium. 
pp. 11-98. a Culture dcs Arbres à gutta et la sélection 
chimique," i Tou n. D’Agric. Tropicale, iii. 1903, 11-13, 
Abstract of preceding ‘The Che Analysis of Gutta 
Percha as a Guide in Its Cultivation and Valuation," in Bull. 
E i5 19 ‘ Gutta-Perchas from the Straits 
Settlements," lc. 11. 1904, pp. 14-21. esetzgebung der 
Britischen Kolonial gebiete in bezug auf Guttapercha : Gewinning 
und See t," Fuchs, in Der Tropenpflanzer, viii. 1904, pp. 6 
“ Some Facts an Gutta Percha,’’ BufnsMérdaoh; in 
cc 
