SOUTH AFRICA MEDAL. XXXIX 



i6. "So-called chromate of benzidine." Proc. Chem. Soc. (1906). 



17. " New method of determining halogens in organic combination." Journ. 



Chcm. Soc. (1906-1907). 



18. '' Recent investigations on Rand Aline Air." Journ. Chcin., Mctall. & 



Mill. Soc. of S. .-ifrica (1906). 



19. "Recent investigations on Rand Mine Air (Part II), with notes on 



standards of purity of air." 



20. " New law connecting mine ventilation with wet-bulb temperature." 



Journ. Chem., Mctall. & Mining Soc. of S. Afrilca (1907). 



21. " New method of estimating mercury as a sophistication oi explo- 



sives." Journ. Chem., Mctall. & Mining Soc. of S. Africa 

 (1908). 



22. " Summary of known data on Mine Air for Mining Regulations Com- 



mission, 1908." Government Blue-book (1910). 



23. " Experimental evidence of presence of carbon monoxide in mines 



after blasting."" Joiirn. Chem., Mctall. & Mining Soc. of S. Africa 

 (1909). 



24. "The Spectrum of the Ruby." Trans. Royal Soc. S. Africa (1909). 



25. " Sensitive detection of potassium by means of dyed gelatine hlms." 



Journ. Chcm., Metall. & Mining Soc. of S. Africa (1909). 



26. '' Suggestions for a new atomic theor\'. Journ. Chcm., Mctall. & 



Mining Soc. of S. Africa (1909). 



27. "Action of moist air on quicklime." Journ. Chcm., Mctall. & Mining 



Soc. of S. Africa (1909). 



28. " Experiments on cyanide chemistry." Journ. Chcm., Mctall. & Mining 



Soc. of S. Africa (1909). 



29. " Properties of aurocyanic acid." Journ. Chcm., Mctall. & Mining 



Soc. of S. Africa (1909). 



30. "A method of harmonising the atomic weights." Trans. Chcm. Soc. 



(1209). 



31. " Genetic connections between the Chemical Elements." Report S.A. 



Assoc, for Adz: of Science (1910). 

 S2. ''New sensitive test for hydrocyanic acid."' Proc. Chem. Soe. (1910). 



33. "New views on Stereochemistry." (Pres. Address.) Journ. Cl:cm., 



Mctall. & Mining Soc. of S. Africa (1910). 



34. "The Destruction of Cyanide and the Ferrocyanide reaction" (with 



J. Gray). Journ. Chcm., Metall. & Mining Soc. of S. Africa 

 (1910). 



35. " Sensitiveness of tests for hydrocyanic acid in air." Journ. Chem., 



Mctall. & Mining Soc. of S. Africa (igao). 



36. " Colloidal Gold and Purple of Cassius." Trans. Royal Soc. S. Africa 



(ipii)- . . , o ,^ • 



37. " Blue oxidation-products of benzidine." Trans. Royal Soc. S. Africa 



(1911). 



38. "Further investigation on the Ruby and artificial Ruby." Trans. Royal 



Soc. S. Africa (1911). 



39. " Spectrum of the Emeralds and other Gem stones." Trans. Royal 



Soc. S. Africa (1911). 



40. " Chemistry and crystallography." Report S.A. Assoc, for Adv. of 



Science (1911). 



41. " New kind of Stereoisomerism in the diphenoquinones." Report 



S.A. Assoc, for Adv. of Science (1912!. 



42. "Theory of Coal Calorimetry." Journ. Chcm., Metall. &■ Mining Soc. 



of S. Africa (1911)- 



43. " Thymolphthalein for air-testing for CO2." Journ. Chem., Mctall. & 



Mining Soc. of S. Africa (1912). 



44. "A plea for an improved heat-test for Explosives." Report Internal-. 



Congress of Applied Chemistry iigi2). 



45. "Atomic weights and new theory of affinity." Journ. Chem., MetalL 



& Mining Soc. of_ S. Africa (1912). 



46. "Analvsis of Tshisa stick fumes for NO2," Journ. Chcm., Metall 



'&■ Mining Soc. of S. Africa (1912). 



