Papers. — Attention is drawn to the general remarks in the 

 previous circulars regarding papers and contributions proposed 

 to be read before the various Sections. 



The following papers have already been promised : — 



Section A.— ASTRONOMY, MATHEMATICS, PHYSICS, 

 METEOROLOGY, GEODESY, SURVEYING, ENGIN- 

 EERING, ARCHITECTURE AND IRRIGATION. 



Hon. Secretaries, Prof. J. Orr, B.Sc, M.I.C.E., P.O. Box 

 1 176, Johannesburg (Recorder); and J. Yaz Gomes, Electrical 

 Engineer to the Railways. Lourenco Marques. 



1. Presidential Address: J. H. von Hafe. 



2. " The nebular hypothesis and the constitution of the stars " : 



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



3. " The geodetic survey of Mozambique " : Col. B. da Silva. 



4. " A plea for the more exact measurement of rainfall " : F. 



Flowers, F.R.A.S., F.R.G.S. 



Section I *».— CHEMISTRY, GEOLOGY. METALLURGY, 

 MINERALOGY and GEOGRAPHY. 



Hon. Secretaries, Prof. G. H. Stanley, A.R.S.M., F.I.C.. 

 P.O. Box 1 176, Johannesburg (Recorder); and Staff-Captain 

 Alberto Grac,a, Military Headquarters, Lourenqo Marques. 



1. Presidential Address: Prof. R. B. Young, M.A., D.Sc. 



2. " The bearing of recent discoveries of early Tertiary shells 



near Trinidad and in Brazil on hypothetical land routes 

 between South America and South Africa": Miss 

 Carlotta f. Maury. Ph.D. 



Section C— BACTERIOLOGY, BOTANY, ZOOLOGY, 

 AGRICULTURE, FORESTRY, PHYSIOLOGY, HY- 

 GIENE A N D S A NITARY SCIE N CE. 



Hon. Secretaries. Frank Flowers, F.R.A.S., F.R.G.S.. P.O. 

 I '.ox 1X7X. Johannesburg (Recorder); and Lieutenant J. B. 

 Botelha, Chief Veterinary Officer, Lourenqo Marques. 



1. Presidential Address: A. L. M. Bonn. CE. 



2. "Town sanitation and treatment of sewage": W. J. Daven- 



port. 



