Miscellaneous. 



Ein neues Verfahren znr Gewinnung 

 des Kautscbuks au,« der Kautsch- 

 ukmilch (purnb) Sandmaun in Tro- 

 peupfl. Nov. 08, p. 520. 



Spence, Oxydasen in Kautschuk. 

 Gurami Zeitung, 18. 9. 1908. 



Zur Frage der Kautschukaufberei- 

 tung in unsereu Kolonien. Tro- 

 peupfl- Dec 1908, p. 586. 



Improved process for tbe prepar- 

 ation of rubber. Trin. Bull. Oct. 

 1908, p. 34. 



Sources of the latex of rubber, do. 

 p. 30. 



Le role des oxydases daus le noircisse- 

 ment de caoutchouc. Journ. d'Agr. 

 trop. Nov. 1908, p. 333. 



Coagulation of latex. Kew Bull. 10. 

 1908, p. 446 (In Der Tropenfl. for 

 Nov. 1908), D. Sandtnann, pp. 520-4. 



Tacky rubber. " T. A." July 1909, p, 1. 



Recent Researches on Rubber. Trop. 

 Life, July 1909, p. 101. 



Beitrag zur Prage des Klebrigwer- 

 dens des Roh-Kautschuks. Tro- 

 penfl. Oct. 09, p. 453. 



The Science and Practice of Para 

 rubber cultivation. Parkin. Sci. 

 Prog. 1910. "T. A." April 1910 el 

 seq. p. 291. etc. 



Tackiness in Rubber. ' ' T.A." Suppl. 

 Apr. 10, p. 379. do. Agr. News, 19. 

 3. 10, p. 89. 



The da Costa smoking and coagula- 

 tion system, Ind. Jl. 18. 4. 10, p. 

 500 G. 



Modern rubber machinery for both 

 plantation and wild rubber. Trop. 

 Life, Apr. 1910, p. 68. 



Vacuum drying of rubber on plant- 

 ations. Taylor in do. p, 75, 



The diastases in latex. Cayla. Ind. 

 Jl. 2. 5. 10, p. 563. 



Zimmermann. Uber die Pi iiparation 

 desdeutsch-ostaf rikauischen Kauts- 

 cbuks. Der Pflanzer, VI, 19]0, 

 p. 113, 



Harries. The present state of tbe 

 chemistry of rubber. Ind. Jl. 13. 

 0. 1910, p. 772. 



Ultee. Rubber coaguline. Cultuur- 

 gids I, 1910, p. 651. 



Manufacture and Trade. Substitutes :— 

 A waste rubber separator. " T.A." 



Dee. 05, p. 752. 

 Rubber prices. Ind. Wrld, Apr, 1908, 



"T.A," June 08, p. 517, 

 Die Bedeutung der Londoner Kauts- 

 chuk-ausstellungfurdieKautschuk- 

 production in deu :deutschen Ko- 

 lonien, Tropenfl. 13. p. 188, Apr. 1900. 



i4 [September, 1910. 



lndiarubber and its manufacture. 

 Science, Dee. 190S. "T.A." Aug. '09, 

 p. 102. 



Brazilian export trade. Ind, Rub. 



Wld.Oct. 1909, p. 463. 

 Pavage en Caoutchouc. Journ d'Agr. 

 - trop. Dec. 09, rj. 362. 



Note sur le commerce du caoutchouc 

 en Beleique. Bull. Jard. Col. Jan. 



10, p. 75. 



Figgs' Ann. Rev. of rubber market in 

 1909. " T.A." Suppl. Feb. 10, p. 185, 

 and other reports, seq. 



The renaissance of rubber : the 

 London market- Ch. and Drug. 12. 

 3. 1910. 



Rubber and its substitutes. Ch. and 

 Drug. 1 Jan. 10. " T.A. "Mar. p. 195. 



The commercial uses of rubber. Ind. 

 Agrie. Apr. 10, p. 114. " T.A." July 

 10, p. 10. 



Synthetic rubber. Ch. and Drug. 26. 

 3.10. "T.A." June 10, p. 482. 



Substitutes for rubber. Nature *17. 

 3. 10. " T.A." do p. 483, 



Ultee. Over deu Invloed van r vers- 

 chillende Coagulatie middelen op 

 de chemische Samenstelling van 

 Caoutchouc. Culturgids II. 1910, 

 p. 171. 



Diseases :— 



Zimmermann. Thierliche und pfianz- 



liche Feinde. Pam. 3. 2. 

 Apropos des parasites animaux et 



vegetaux de caoutchotiers. Bull. 



d' Assoc. des Plant, de Caoutch. I. 



3, Mar. 1909, 



A twisted Hevea stem. "T.A," Oct- 



1909, p, 294. 

 Corticium iavanicum in Borneo, Str. 



Bull. Feb. 1910, p. 59. 

 See R. B.G. circulars, &c. 



THE ECONOMIC CONDITION OF 

 AGRICULTURE. 



(From the Experiment Station Record, 

 U. S. Dept. of Agriculture, Vol. XXII., 

 March 10, No. 3.) 



Popular interest in economic questions 

 relating to the agricultural industry has 

 recently assumed unusual prominence. 

 Generally speaking, it concerns itself 

 primarily with the food supply of the 

 future in relation to our agriculture, and 

 the present production and prices of 

 agricultural products ; but the broad 

 consideration of these matters leads into 

 the field of the present condition and 

 trend of our agricultural system, and 



