Contents. v 
PAGE 
A New Species of Hcematoxylon (Leguminos^-C^salpine^) 
FROM Great Namaqualand. By Edith L. Stephens. 
(Plate xviii.) 255 
Notes on the Pollination op some South African Cycads. 
By G. Eattray 259 
Note on an Overlooked Theorem regarding the Product 
OF TWO Determinants of Different Orders. By 
Thomas Muir 271 
A Synopsis of the Species Lotononis, Eckl. & Zeyh., and 
Pleiospora, Harv. By R. A. Dummer. (Plate xix.) . . 275 
Note on the Newcomb Operators used in the Develop- 
ment of the Perturbative Function. By R. T. A. 
Innes 337 
The "Plathander" {Xenopus laevis). By T. F. Dreyer. 
(With nine text-figures) ....... 341 
On Variations in the Magnetic Declination at Bloem- 
FONTEiN. By W. A. Douglas Rudge. (With three text- 
figures) 357 
Note on the Vertebral Column of the Bushman Race of 
South Africa. By R. B. Thomson. (With four text- 
figures) 365 
Notes on N'Gamiland. By A. G. Stigand. (With map in 
text) 379 
Note on Clebsch's Theorem regarding the Second Set of 
Jacobians derived from n-\-l Homogeneous Integral 
Functions of n Variables. By Thomas Muir. . . 393 
On some Fossil Fishes from the Diamond-bearing Pipes 
OF Kimberley. By R. Broom. (Plates xx.-xxii.) . . 399 
