xxvyi INDEX. 



PAGE. 



Sugar cuntent of maize stalks (G. N. Blackshaw ) 42 



( Hydrolysis of, by ultra-violet rays 26.1 



Sun power, Irrigation by, in North Africa 222 



Swaziland, Flowering Plants of 48, 343 



■ — , The flora of. Additions and corrections to (J. Burtt- 



Davy) 343 



Tetrabromo-diphenoquinone (J. Moir) 322 



Thaba Bosigo sand dunes ( Prof. G. H. Stanley) 49 



Theiler (Dr. A.) Presidential address 1 



Thermal chalybeate spring at Zwartkops, near Port Elizabeth (G. 



W.Smith) 119 



Thomson, Sir J. J., on Transmutation 306 



Thonga nation, The, Social life in 175 



Time, Bergson's conception of (Rev. Dr. S. R. Welch) 112 



Timber, Preservation of 262 



Transactions of Societies . . 51, 85., 117, 130, 181, 214, 245, 276, 310, 358, 383 



Transferable vote, The, at Municipal elections (Dr. J. Brown) .. 288 



Transmutation of elements 243, 306 



Transvaal and Swaziland, Flora of, Additions and corrections to (J. 



Burtt-Davy) 343 



■ , Flowering plants of 48, 343 



grasses for paper making 100 



Transvaalia, a new planet 131 



Treasurer's Report, 1910-1911 xxiv 



1 , 1911-1912 xxviii 



Tsumebite ; a new mineral -. 28^ 



Undergraduate, The South African (A. E. Griffiths) 25.2 



United States, The, Agricultural institutions in 357 



Universal Races Congress, The (Mrs. J. F. Solly) 307 



Universities, Foreign, The study of French in (Prof. R. D. Nauta) 359 



Van dee Riet (Prof. B. de St. J.) Presidential address to Section B 23 



Vegetable oil, A new 14" 



Veins and inclusions in the Stellenbosch granite (Prof. S. J. Shand) 247 



Vessels, Electrically propelled 102 



Wager (H. A.) Some observations on Convoluta roscoffensis .. .. 223 



Stomata and drought resistance in mealies 183 



Water, Electrolysis of, with carbon electrodes (E. G. Bryant) .. .. 148 



Waters, Natural, Ozone in 342 



Way (W. A.) Presidential address to Section D 34 



Weather forecasting (A. G. Howard) 55 



Welch (Rev. Dr. S. R.) Bergson's conception of time 112 



White, Sir W. H 225 



Winelevures, Cape, and their use in wine making (Dr. A. I. Perold) 226 



Winter (Rev. J. A.) Hymns in praise of famous chiefs 377 



The history of Sekwati 329 



The tradition of Ra'lolo 87- 



Wood ashes, The use of, for manurial purposes (A. Stead) .... 66 



Zodiacal light, The 328 



Zwartkops, near Port Elizabeth, A deep bore and thermal chalybeate 



spring at (G W. Smith) 119 



