Contents. 
V 
PAGE 
A Proof by Elementary Methods, without Complex Quan- 
tities, THAT EVERY AlGEBRAIC FUNCTION (wiTH REAL 
coefficients) HAS FACTORS OF THE FORM {x^ — + q) 
(p, q, real) and hence, every Algebraic Equation with 
COEFFICIENTS REAL OR IMAGINARY, HAS REAL OR IMAGINARY 
EOOTS, EQUAL IN NUMBER TO THE DEGREE OF THE EQUA- 
TION. By W. N. EosEVEARE, M.A. .... 215 
On Malet's Proof that every Equation has Boots, real 
OR IMAGINARY, EQUAL IN NUMBER TO ITS DeGREE. By 
W. N. EosEVEARE, M.A .222 
Preliminary Investigation on the Deterioration of Maize 
INFECTED with Diplodia ZecB (Schw.), Lev. By Paul A. 
Van der Bijl, M.A. (With Two Text-figures) . . 231 
The Morphology of the Tadpole of Xenopus Icevis. By 
T. F. Dreyer, B.A., Ph.D. (With Eight Text-figures) . 241 
A Morphological Study of Strongylus Douglasi, Cobbold. 
By Eaffaele Issel, D.Sc. (With Eleven Text-figures) . 259 
Note on the Product of a Special JV-line Determinant 
BY its Central Minor of the (jV-4)th order. By 
Thomas Mum, LL.D 273 
On the Interpretation op the Electrocardiogram. By 
W. A. Jolly. (With Seventeen Text-figures) . . .279 
On the Crystallography of Anatase Crystals from the 
Auriferous Conglomerate of the Witwatersrand. 
By W. Von Bonde, B.A. (With One Text-figure) . 299 
