Just Published. Price 3s. 6d. nett. 



PETROGEAPHICAL & GEOLOGICAL 

 INVESTIGATIONS 



OF CEETAIN 



TRANSVAAL 



NORITES, GABBROS, 



AND 



PYROXENITES, 



And other South African Rocks. 



BY 



J. A. LEO HENDERSON, M.E. (Freiberg), M.A.I. M.E., 



JOHANNESBTTKG, TkANSYAAL. 



8vo. 66 pages and 5 Plates. 



SLonton : 

 DTJLATJ & CO., 37, SOHO SQUAEE, W. 



All Communications for this Magazine should be addressed 

 TO THE EDITOR OF THE GEOLOGICAL MAGAZINE, 



129, BEAUFORT STREET, CHELSEA, LONDON, S.W. 



Books and Specimens may in future he addressed to the Editor, care of 

 MESSRS. DULAU & CO., 37, SOHO SaUARE, LONDON, W. 



STEPHEN AUSTIN AND SONS, PRINTEKS, HEKTEOED. 



