6 12 Report S.A.A. Advancement of Science. 



Tosh, William, M.I.M.E., J. P., P.O. Box 2392, Johannesburg. 



*Townsend, Stephen Frank, C.E., Chief Resident Engineer and 

 . Agent, Rhodesia Railways, Ltd., Bulawayo, Rhodesia. 



Tracey, P. W., 117, Wolmarans Street, P.O. Box 838, Johannes- 

 burg. 



Treeby, P. E., P.O. Box 534, Johannesburg. 



Treloar, P. Q., P.O. Box 114, Roodepoort, Transvaal. 



Trevor, Tudor G., Inspector of Mines, Barberton, Transvaal. 



Trill, Fred E., A.Inst. E.E., Glenara, Rosebank, near Cape Town. 



*Trill, George William Charles, Hetherton Road, off Palmyra 

 Road, Newlands, near Cape Town. 



Tripp, George Dixon, M.A., P.O. Box 916, Johannesburg. 



Tucker, Rev. Scott, The Cathedral, Pretoria. 



*Tucker, Rex, M.E., P.O. Box 9, Johannesburg. 



Tucker, William Kidger, C.M.G., P.O. Box 9, Johannesburg. 



Tucker, W. P., (address wanted). 



*Tudhope, Alfred Dryden, M.Inst.C.E., Resident Engineer, Cape 

 Government Railways, Port Elizabeth, Cape Colony. 



Turner, Dr. G. A., M.B., CM., D.P.H., P.O. Box 809, Johan- 

 nesburg. 



Turner, Dr. Geo., P.O. Box 356, Pretoria. 



Turner, H. S. F., (address wanted). 



Turpin, Frank Edward, P.O. Box 4660, Johannesburg. 



Turton, John, P.O. Box 117, Barberton, Transvaal. 



Tutton, F., (address wanted). 



Tweddill, Samuel M., P.O. Box 435, Pretoria. 



Tyrrell, E. G. Harcourt, P.O. Box 135, Pietermaritzburg, Natal. 



Tyson, Captain T., Director, De Beers Consd. Mines, Ltd., Kim- 

 berley. Cape Colony. 



Upton, A. S., P.O. Box 619, Johannesburg. 

 Upton, Prescott, P.O. Box 1026, Johannesburg. 



Van der Riet, Professor Berthault de St. Jean, ALA., Ph.D.,. 



Victoria College, Stellenbosch, Cape Colony. 

 Van Ness, Frank McC, P.O. Box 257, Kimberley. 

 Vaughan, J. A., P.O. Box 1132, Johannesburg. 

 Vellacott, Philip N., B.Sc, M.B., F.R.C.S., 84, Charles Street, 



Bloemfontein, O.R. Colony. 

 Venn, Henry, P.O. Box 417 1, Johannesburg. 

 *Viney, Arthur E., P.O. Box 3233, Johannesburg. 

 Viney, Mrs. Edith H., P.O. Box 3233, Johannesburg. 

 *Visser, W. H., P.O. Box 231, Johannesburg. 

 Voit, Dr. F. W., P.O. Box 1156, Johannesburg. 

 Von Lindequist. Fr., Windhoek, German S.W. Africa. 

 Von Oppell, Otto Karl Adolph, Rocklands Terrace, Upper Buiten- 



kant Street, Cape Town. 

 *Voskule, Gideon. A.. Ph.D.. P.O. Box 550, Johnnnesburg. 

 Vyvyan, Rev. T. G., V..\.. Poldhu, Richmond, Natal. 



