CONTENTS. 



PAGE. 



The South African National Debt : Prof. R. A. Lehfeldt, B.A., 



D.Sc, 3ii 



Agriculture in the Mozambique Province 321 



Tetrabromo-dipheno-quinone : J. Moir, M.A., D.Sc, F.C.S 322 



Remarkable lunar halo 328 



The zodiacal light 328 



Hen birds with male plumage 328 



The history of Sekwati : Rev. J. A. Winter^ 329 



Agricultural statistics : G. F. Joubert 333 



Ozone in natural waters 34 2 



Additions and corrections to the recorded flora of the Transvaal 



and Swaziland : J. Burtt-Davy, F.L.S., F.R.G.S .. 343 



Agricultural institutions in the United States 357 



Transactions of Societies 358 



New Books 358 



Towushend Taylor and SnashalJ, Printers, Cape Town. 



