11.— THE DESTRUCTION OF MOUNTAIN VEGETATION : 

 ITS EFFECTS UPON THE AGRICULTURAL CONDI- 

 TIONS IN THE VALLEYS. 



By F. E. Kanthack, A.M.I.C E., Director of Irrigation, Cape Colony. 



[Published in full in the Af/ricultural Journal, Capetown, August, 

 1908, pp. 194-204.] 



12.— IRRIGATION. 

 B}- C. E. Lavvfori). 



la.— THE STADIA METHOD APPLIED TO MINOR 

 ENGINEERING SURVEYS. 



Bv T. W. Perky. 



14.— SOME RESEARCHES IN THE PLATINUM GROUP OF 



METALS. 



Bv G. C. Purvis, M.D., B.Sc. 



