September, 1910.] 2 



Sandmann. Dangers, Mistakes, and 

 improvements in the caoutchouc 

 production of Asia (Abs. by Willis). 

 "T.A." May (June) 1910, p. 393. 



Rubber statistics of Hawaii. Haw. 

 Forester Dec 1909. "T.A." May, 

 1910, p. 397. 



Methods of Cultivation and Tapping :— 

 Manurial requirements of the rubber 

 tree. Year book Mex. Rub. P. A. 

 1907-8, p. 20- 

 Cacao as an adjunct to rubber cul- 

 ture, do. p. 22, 



Exportation of rubber seed. Trop. 

 Life, May 1906, p. 67. 



Willis, the tapping of rubber. 

 "T.A." Aug. 1907, p. 91. 



Experimental rubber tapping in 

 Singapore. " T.A," June 1907, p. 310. 



Summary of results of tapping rub- 

 ber trees at Dominica and St, 

 Lucia. W. Iud. Bull. 8, 1907, p. 201. 

 • Weberbauer, Anzapf ungsversuche au 

 Kautschukbaumen in nordlicheu 

 Kustengebiete Kamerunes. Tro- 

 penfl. Dec. 1907, p. 823. 



Forschuugen iiber Kautschuk uud 

 Guttapercha-Gewinuung am Kgl. 

 pharm. Inst, und au der Bot. 

 Zentralstelle fur die deutschen 

 Schutzgebieten. Notizbl. Berlin, V. 

 1908, p. 53. 



Physiologische Gruudlagen ztir Be- 

 wertung der Zapfmethoden bei 

 Kautschukbaumen. Beiheffce zum 

 Tropenpfi. X. I. Feb. 1909. 



Rubber tapping methods. "T.A," 

 May 1909, p. 109. 



Billige Piusel fur Kautschukzapfer 

 Der Pilanzer, June 1909, p. 28. 



Plantation rubber yields. Iud. Rub. 

 Wld. Jan. 1909. "T.A." Aug, 

 p. 102. 



La Saiguee de l'Hevea par lanouvelle 



Methode Northway. Journ, d'Agr. 



trop. Aug. 1909, p. 236. 

 The harvesting of rubber in Hawaii : 



Hawaiian Forester & Agric. Dec. 



1908. " T.A." Oct. 1909, p. 292, 

 Clean Weeding vs. Tephrosia. 



"T.A." Apr. 1910, p. 297. 



Clean weeding for rubber. "T.A.'' 



Suppl. Apr. 1910, p. 371. 

 De plantwijdte bi.j caoutchoucboo- 



men. de Lange in Cultuurgids (1) 



1910, p. 315. 

 Rubber tapping up to date. "T.A." 



Suppl. May 1910, p. 457. 



Planting methods and tapping sys- 

 tems, do, p. 160. 



i Miscellaneous. 



Un nouvelle outil pour la Saignee du 

 Castilloa et du Funtumia Le 

 Securitas. Ju. d'Agr. trop. 1910, 

 p. 154. 



Preparation of Rubber. Chemistry :— 

 Burgess. Preparation of rubber, Str. 

 Bull. Oct. 1901, p. 416. 



Ceylon Rubber, its preparation and 

 improvement, do. 



Analysis of 5s, 7|d. Ceylon rubber, 

 do. p. 417. 



Notes on the moisture of prepared 

 rubber, do. 1901, p. 175. 



Rubber latex or fluids. Weber, Triu. 

 Bull. 1903, p. 617. 



Rubber. " T.A." Jan. 1994, p. 155. 



Burgess. The chemistry of rubber. 

 Str. Bull. 2, 1903, p. 385. 



Kautschukproben aus Neuguinea. 

 Tropenfl. 1901, p. 140. 



Rubber at the British Association. 

 Ind. Journ. Aug. 1906, p. 241. 



On- the crystalloids and inorganic 

 constituents in latex, do. p. 251. 



Torrey. A reply to my German 

 critics, do Apr. 1906, p. 389. 



Pickles. The Chemistry of Rubber, 

 do. Aug 1906, p. 229. 



Henri. Coagulation du latex de 

 caoutchouc et proprietes elastiques 

 du caouthouc pur. C.R. 25-2-07, B.C. 

 105, 296. 



Spence. On the presence of oxydases 

 in Indiarubber, with a theory in 

 regard to their function in the 

 latex. Bio-Chem. Journ. 3, 1908, 

 p. 165. 



Bamber. Treatment of latex iu pre- 

 paration of rubber. Str. Bull. Aug. 

 1908, p. 347. "T.A." Suppl. Sept. 

 'OS, p. 301. 



Dunstan. Address to British Asso- 

 ciation, York, 1906. 



Pickles. The present position of the 



chemistry of rubber. Rep. B. A. 



York, 1906. 

 OLson-Seffer, Preparation of crude 



rubber. Yr. Book, P. A. Mex. 1907-8. 



"T.A." July 1908, p. 5, 



Lamy-Torrilhon, La coagulation des 

 latex a caoutchouc. Journ. d'Agr, 

 trop. 30 Sept. 1908, p. 257, Nov. 

 p. 327. 



Uniform onderzoek van caoutchouc. 

 Ind. Merc. 27. 10. 1998 mp. 781. 



Purub, a neAV method of coagulation. 

 Ind. Rub. Jl. Sept. 1908. "T.A." 

 Suppl. Nov. 1908, mp. 492. 



