Contents. v 
PAGE 
Colour 'and Chemical Constitution. Part XVI. — Further 
Miscellaneous Observations. By James Moir . . . 233 
On Hyalite. By J. S. v. d. Lingen and A. R. E. Walker . . 239 
Circumcision Regiments as a Native Chronology. By the Rev. 
Professor W. A. Norton, M.A., B.Litt. (With one folding 
Table) 245 
Sesuto and Sechwana Praises. By the Rev. Professor W. A. 
Norton, M.A., B.Litt. 253 
Note on a Determinant with Factors like those of the Differ- 
ence-Product. By Sir Thomas Muir, F.R.S. . . . 267 
Colour and Chemical Constitution. Part XVII. — The Azo Dyes 
and other monocyclic colours. by james moir . . 273 
Fungi of the Stellenbosch District and Immediate Vicinity. 
By Dr. P. A. van der Bijl 281 
Observations on the Protective Action of Normal Serum in 
Experimental Infection with Bacillus Diphtheriae. By 
T. J. Mackie, M.D., Ch.B., D.P.H. . . , . . .289 
On some Upper Beaufort Therapsida. By S. H. Haughton, 
B.A., D.Sc. (With Plate XIII and two Text-figs.) . . .299 
