xxiv Transactions of the Boyal Society of South Africa. 
from a given surface and that there is no simple correspondence between 
the wind and the evaporation. In this paper the author describes some 
experiments made to determine the rate of evaporation under different 
conditions of moisture and temperature in the forced draught generated 
by an electrically driven fan. 
" The Genesis of the Chemical Elements," by James Moie. 
The author has found a new and remarkable relationship between the 
atomic weights, whereby the accepted values can be calculated with re- 
markable accuracy. The new scheme brings out closer relationship 
between such groups as the alkali metals and the halogens, and although 
it follows the Periodic Law it would require the latter to be modified in 
important particulars. 
On some Flowering Plants from the Neighbourhood of Port 
Elizabeth," by S. Schonland. 
" Statement of Silayi, a Temba of the Zemba Tribe, with reference to 
his Life among the Bushmen," by W. E. Stanfoed. 
This communication contains interesting information about a clan 
of bushmen whose haunts were in the Drakenberg Mountains, and could 
muster forty-three men. It is a narrative of cattle-lifting in various ways 
and devices, as well as of their domestic habits and mode of life ; and also 
of the ultimate destruction of the clan by the Tembu chief. 
Annual Meeting. 
September 15, 1909. 
The President, S. S. Hough, Esq., F.E.S., in the Chair. 
The following gentlemen were elected ordinary Fellows of the Eoyal 
Society of South Africa: A. L. Hall, B.A. ; E. T. Melloe, D.Sc. ; Sir 
Chaeles Abeeceombie Smith, M.A. ; A. L. du Toit, B.A. ; A. Maeius 
Wilson, M.D. 
After the election the meeting resolved into an ordinary meeting. 
Mr. G. H. H. FiNCHAM, M.A., was elected an ordinary member. 
Were nominated for election as ordinary members : J. M. Bain, Cape 
Town, by L. Peeinguey and R. M. Lightfoot ; Dr. J. McLelland 
Hendeeson, by G. S. Coestoephine and L. Peeinguey; J. C. J. Knobel, 
Cape Town, by L. Peeinguey and E. M. Lightfoot ; M. Leviseue, 
Bloemfontein, by A. E. Walkee and L. Peeinguey; J. W. Maxfield, 
Stellenbosch, by A. E. Walkee and L. Peeinguey; W. Waedlaw 
Thompson, Cape Town, by J. D. F. Gilcheist and L. Peeinguey ; 
W. CouLsoN Teegaethen, Colesberg, by L. Peeinguey and E. M. Light- 
foot; Dr. Amaeal Leal, Louren9o-Marques, by C. W. Howaed and 
L. Peeinguey ; A. J, Janse, Pretoria, by L. Peeinguey and E. M. Light- 
