Anticyclones and S.A. Weather. 



65 



Appendix IV. 



Provisional Chart of Isobars. 

 NOVEMBER. 



.29 91 



2S9, 



'P37 



29S'f 



'95 



Buchan.— The trend of the isobars is the same, but 29-92 in his chart lies close 

 to and parallel with 2997, and 29-82 with 29-92. Pretoria in his 

 chart lies on 29-86. 



Dec. — The Transvaal is in the southern extremity of a Cyclonic system, 

 the pressure varying from 29-81 in the N to 29-84 in the S, the 

 centre being somewhere due north of Pretoria. Pressure at 

 Pretoria is 29825 ins. 



