Contents. 
PAGE 
Eemarks on some Experiments with Snake-venom. By 
W. Frei 335 
Note on a Coemcrus of the Duikerbok. By Lewis Gough 343 
The Evolution of the Eiver System of Griqualand West. 
By A. L. DU ToiT. (Plate xxv.) 347 
The Eainfall of South Africa : The Possibility of Pre- 
diction OVER THE South-West. By A. G. Howard . 363 
On some Points in the Morphology and Biology of a New 
Species of Hatvorthia. By S. Schonland. (Plate xxvi.) 391 
On the Absorption of Water by the Aerial Organs of 
SOME Succulents. By S. Schonland .... 395 
Some New South African Succulents. Part II. By E. 
Marloth. (Plate xxvii.) 403 
Note on an Abnormal Seedling of Widdringtonia cupres- 
soides, and a Brief Account of the Vascular System 
OF THE Normal Seedling. By H. S. Morris . . 411 
The Genesis of the Chemical Elements. By James Moir 413 
Evaporation in a Current of Air. Part I. By J. E. Sutton 417 
Notes on the Absorption of Water by Aerial Organs of 
Plants. By E. Marloth. (Plate xxviii.) . . . 429 
Statement of Silayi, with Eeference to His Life among 
THE Bushmen. By W. E. Stanford .... 435 
On some Flowering Plants from the Neighbourhood of 
Port Elizabeth. By S. Schonland .... 441 
Borchardt's Form of the Dominant of Two Equations of 
THE nth Degree. By Thomas Mum .... 447 
Eevised List of the Flora of Natal. By J. Medley 
Wood 453 
On the Eelationships of the South African Fossil 
Eeptiles to those of other Parts of the World. By 
E. Broom 473 
List of Fellows and Members . . . . . xxvii 
List of Publications of the Societies with which the 
Transactions are Exchanged xxxi 
