F Contents. — Continued. 



9. The Manurial Needs and Resources of the Transvaal, by 



Herbert Ingle, B.ScF.C.S, F.I.C. ... ... 144 



10. On the Observation of Earthquakes and other Earth 



Movements, by John Milne, F.R.S. ... 157 



11. Mean Monthly and Annual Relative Humidity Charts of 



the United States, by Kenneth S. Johnson, Harvard 

 University. .. ... ... ... ... 161 



12. A New Solvent for Gold (Title only), by James Moir, D.Sc. 169 



13. Magnetic Observatories in South Africa, by Professor J. C. 



Beattie, D.Sc, F.R.S.E. ... ... ... ... 170 



14. Accelerations of Gravity at Johannesburg (abstract)^ by 



Professor R. A. Lehfeldt, D.Sc. ... ... ••• i73 



SECTION B. 



15. Variations in the Geometrica Group of South African 



Tortoises, by Professor J. E. Duerden, Ph.D., A.R.C.S. 178 



16. Death-Feigning Instinct in the Ostrich, by Professor 



J. E. Duerden, Ph.D., A.R.C.S. ... ... ... 209 



17. Geography as a Factor in Higher Education ( abstract), 



by Frank Flowers, C.E., F.R.A.S., F.R.G.S. ... 213 



18. On Some Aspects in the Vegetation of South Africa 



which are due to the Prevailing Winds, by R. Marloth, 

 Ph.D., M.A. ... ... ... " ... ... 215 



19. The Negro in Amenca (abstract), by T. Lane Carter ... 219 



20. The Theory of Witchcraft amongst South African 



Natives, by Rev. H. A. Junocl ... ... ... 230 



21. Modjadje : A Native Queen in Northern Transvaal : An 



Ethnological Study, by Rev. Fritz Renter, Berlin 

 Mission... ... ... ... ... ... 242 



22. Sunrise and Growth, by Colonel H. E. Rawson, C.B., R.E., 



F.R.Met.Soc. etc. ... ... ... ... 251 



23. Notes on Some South African Cycads (abstract), by 



H. H. W. Pearson, M.A., F.L.S. ... ... ... 260 



24. The Glacial Beds in the Griqua Town Series, by A. W. 



Rogers, M.A., F.G.S. ... ... ... ... 261 



25. Note on Fusicladuiin : Affecting Apples and Pears in 



Cape Colony, by J. B. Pole Evans, B.A., B.Sc. ... 266 



26. The Petrography of the Rocks surrounding the Diamond- 



Pipes of the Kimberley District, by Robert Heron 

 Rastall, M.A., F.G.S. ... ... ... ... 269 



27. The Somabula Diamond Field of Rhodesia, by F. P. 



Mennell, F.G.S. ... ... ... ... ... 289 



28. Contributions to our Knowledge of the Stone Age of 



South Africa, by J. P. Johnson ... ... ... 293 



29. The Black Rust of Wheat (Title only), by J. B. Pole 



Evans, B.A., B.Sc. ... ... ... ... 309 



