x.rvnt. INDEX. 



• PAGE. 



Meteorological photographs 9^ 



Microkinematograpliy 323 



Mineral industry in Rhodesia 202 



Survey, A. of the Zinc and Lead deposits of Broken Hill, 



'Xorthern Rhodesia ( A. F.. V. Zealley) 389 



Modern chemistry, Dr. G. Martin on ::'C9 



education, The place of classics in ( Prof. R. F. A. Hoernle) 117 



MoiR (Dr. J.). Chemistry and crystallography — a new suggestion 213 

 . New derivatives of diphenoquinone, and a new 



variety of stereoisomerism 253 



Molecular structures and radioactivity 364 



MoLYNEU.x (A. J. C). Presidential address to Section B 31 



MuMFORD (F. T. ). A relation between the geology and metallurgy 



of gold 404 



Nitr(jgen, Xcw higher oxides of ... 198 



Nudibranchiata. The. Reproductive organs of (Dr. T. F. Dreyer) .. 340 



Officers and Council, 1910-191 1 



-, 1911-1912 



— at Bulawayo Meeting 



— of former vears 



Oil, Grape seed 208 



Ore concentration. Fucalyptns oil in 66 



Ores, Uranium 185 



Ostrich farming in Germany 217 



Oxides of nitrogen. New 19S 



Papers read at the Sectional Meetings 50 



Past Annual Meetings x 



Pearson (Prof. H. H. W.). The late Dr. Bolus 69 



Pearson. Prof. H. H. W., on Le Vaillant's Grotto 252 



Peringuey, Dr. L., Presentation of South African Medal to .. ..xxi, xxiii 



Philadelphia Academy of Natural Sciences 339 



Photographs, Meteorological 9' 



Photography, Colour, Mars by 208 



Planet Jupiter, The, Heliocentric places of (R. T. .\. Tnnes ) 3.^8 



Planets, The, Mean distances of ( R. T. A. Tnnes) ?.^8 



Plants of Southern Rhodesia, The, Preliminary list of (F. Eyles)) . . 277 



Pragmatists, The, Truth among (Rev. Dr. S. R. Welch) 192 



Pronunciation of English (Prof. A. S. Kidd) 365 



Proportional representation (Dr. J. Brown) 399 



Races Congress, The Universal (Mrs. J. F. Solly) 128 



Radioactivity and molecular structures 364 



Radium in Australia 273 



Rand bankets, The, Origin of ( Prof. E. H. L. Schwarz) 52, 357 



Representation by the transferable vote (Dr. J. Brown) 170 



, Proportional (Dr. J. Brown) 399 



Reproductive organs of the nudibranchiata (Dr. T. F. Dreyer) . . 340 



Research, Grants for xix, xxi, 66, 124, 160, 364 



Rhodesia, The Karroo system in (A. J. C. Molyneux) 31 



, Mineral industry in 202 



, Northern, a mineral survey of the Zinc and Lead deposits 



of (A. E. V. Zealley) 389 



, Occurrence of Scorodite in (A. E. V. Zealley) 133 



, Southern, and the transferable vote (Dr. J. Brown) .... 170 



'■ , Experimental tree planting in (W. E. Dowsett) 60 



, Plants of (F. Eyles) 277 



, Trypanosomiases of ( L. E. W. Bevan) 135 



Rhodesian plateau. The, Sedimentary rocks of (F. P. Mennell) .... 350 



