CONTENTS. 



PAGE 



Minutes of Peoceedings and President's Addresses. . . i-ciii 



List of Members, July, 1903 ..... civ 



The Magnetic Elements at the Cape of Good Hope from 1605 

 TO 1900. By J. C. Beattie, D.Sc, and J. T. Morrison, 

 M.A., B.Sc. . ...... 1 



On a Stereoscopic Method of Photographic Surveying. By 



H. G. Fourcade. (With Five Figs, in Text.) . . 28 



Variation of the Star C. P. D. — 41°-4oll. By A. W. Roberts, 



D.Sc . .36 



Results of some Experiments upon the Rate of Evaporation. 



By J. R. Sutton, M.A. . . . . .43 



The Transkei Gap. By A. W. Rogers and E. H. L. Schwarz. 



(One Fig. in Text.) . . . . . .66 



Irrigation on the Orange River. By F. B. Parkinson, A.R.S.M. 76 



The Legal and Economic Bases of some Colonial Teaching 

 Universities, with a Local Application. By Rev. Wm. 

 Flint, D.D. . . . . . . .79 



The Volcanoes of Griqualand East. By E. H. L. Schwarz, 



A.R.C.S.. F.G.S. (With Two Figs, in Text.) . . 98 



Some Results derived from the Constant Values in the 



Periodic Formula. By J. R. Sutton, M.A. . . 113 



Observations of Atmospheric Electricity at Cape Town. By 



W. H. LoGEMAN. B.A. . . . . .129 



An Elementary Synopsis of the Diurnal Meteorological Con- 

 ditions AT KiMBERLEY. By J. R. SuTTON. M.A. . . 133 



