XV 111 



PRESIDENTS AND SECRETARIES OF THE SECTIONS. 



EVENING DISCOURSES. 



Date and Place- 



Lecturer. 



Subject of Discourse. 



1903- Cape Town . 



1904. Johannesburg 

 1906. Kimberley 



1907. Maritzburg . 

 Durban . . . . 



1908. Grahamstown 



1909. Bloemfontein 



Maseru . . . . 



1910. Cape Town . . 



1911. Bulawayo 



1912. Port Elizabeth 



1913. Lourengo 



Marques 



1914. Kimberley 



1915. Pretoria 



1916. Maritzburg . . 

 Durban. 



19 1 7. Stellenbosch . . 



Prof. W. S. Logeman, 

 B.A., L.H.C. 



H. S. Hele-Shaw, LL.D., 



F.R.S., M.T.C.E. 

 Prof. R. A. Lehfeldt, B.A., 



D.Sc. 

 W. C. C. Pakes, L.R.C.P., 

 M.R.C.S., D.P.H., F.I.C. 



R. T. A. Innes, F.R.A.S., 

 ERSE 

 Prof. R. B. Young^ M.A.', 

 B.Sc, F.R.S.E.. F.G.S. 

 Prof. G. E. Cory, M.A. 



A Theiler, C.M.G. 



C. F. Juritz, M.A., D.Sc, 



F.I.C. 

 W. Cullen. 



R. T. A. Innes, F.R.A.S., 



F.R.S.E. 



Prof. H. Bohle, M.I.E.E. 



J. Brown, M.D., CM., 



F.R.C.S., L.R.C.S.E. 

 W. H. Logeman, M.A. 

 A. W. Roberts, D.Sc, 



E.R.A.S.. F.R.S.E. 

 Prof. E. J. Goddard, B.A., 

 D.Sc. 

 S. Seruya. 



Prof. E. H. L. Schwarz, 

 A.R.C.S., F.G.S. 



E. T. Mellor, D.Sc, 



F.G.S., M.I.M.M. 

 C. W. Mally, M.Sc, 



F.E.S., F.L.S. 

 C. P. Lounsbury, B.Sc, 



F E.S 

 R. f. A.' Innes, F.R.A.S., 



F.R.S.E. 

 H. E. Wood, M.Sc, 

 F.R.Met.S. 

 Prof. J. D. F. Gilchrist, 

 M.A.. D.Sc, Ph.D., 

 F.L.S.. C.M.Z.S. 



The Ruins of Persepolis and 

 how the Inscriptions were 

 read. 



Road Locomotion — Present 

 and Future. 



The Electrical Aspect of 

 Chemistry. 



The Immunisation against 

 Disease of Micro-organic 

 Origin. 



Some Recent Problems in 

 Astronomy. 



The Heroic Age of South 

 African Geology. 



The History of the Eastern 

 Province. 



Tropical and Sub-tropical 

 Diseases of South Africa : 

 their Causes and Propaga- 

 tion. 



Celestial Chemistry. 



Explosives : their Manufac • 



ture and Use. 

 Astronomy. 



The Conquest of the Air. 

 Electoral Reform — Propor- 

 tional Representation. 

 Tlie Gyroscope. 

 Imperial Astronomy. 



Antarctica. 



The history of Portuguese 

 conquest and discovery. 



The Kimberley Mines, their 

 discovery, and their rela- 

 tion to other volcanic vents 

 in South Africa. 



The gold bearing conglomer- 

 ates of the Witwatersrand. 



The House fly under South 

 African conditions. 



Scale Insects and their travels. 



Astronomy. 



Some unsolved problems of 



Astronomy 

 Some marine animals of 



South Africa. 



