S.VXll INDEX. 



PAGE. 



!Naras, The, (Acanfhosicyos horrida Hook.), Some notes on the 



chemistry of (Dr. W. Versfeld.and G. F. Britten) ... 2:},2 



Native agricnltnre (Rev. J. R. L. Kingon) ... ... ... 178 



melodies, African ( Rev. W. A. Norton ) . . ... ... 619 



tradition and tlie Rliodesian ruins (Rev. S. S. Dornan ) ... 502 



Natural Science, The real ohject of ( .\. Mudd) ... ... 718 



Nature, The preservation of .the monuments of(Prof. H. G. Breyer) 722 

 Nauta (Prof. R. D.), The literature of France during the great 



Revolution, ... ... ... ... ... ... ^22, 



Naval Development. Modern (H. C. Kenway) .. ... ... 693 



Nebulae, Dark ... ... ... ... ... ... 382 



Norton (Rev. W. A.), African Native melodies ... ... 619 



, Four months in Slavic Austria... ... 723 



Officers and Council, 1914-1915 ... ... ... ... i 



, for 1915-1916 ... ... ... ... XX, i 



of former vears ... ... ... ... ... xiii 



Oil producing plants from South Africa ... ... ... 155 



Orange Free State Philosophical Society ... ... ... x 



Orenstein (Dr. A. J.) The problems and principles of malaria pre- 

 vention . ... ... ... ... ... 193 



Organisation of science ... ... ... ... ... 588 



Ostrich chick diseases (J. Walker) ... ... ... ... 558 



feather industry. The, in South Africa (R. W. Thornton).. 272 



Papers read at the Sectional meetings.. ... ... ... 56 



Parys granite. Intrusions in ( Prof S. J. Shand) . . ... ... y22 



Past Annual Meetings ... ... ... ... ... xi 



Pepper tree caterpillar. The, Life History of (D. Gunn) ... ... 685 



Persian and Merino sheep. Experiments in crossing (J. Burtt Davy) 717 

 Pettman (Rev. C), An inquiry into the derivation of certain South 



African place names ... ... ... ... 159 



Pharmacy, The profession of (Prof. J. A. Wilkinson)... ... 360 



Phosphates, Soluble ... ... ... ... ... 271 



Phthisis, The Miners', of the Rand ( Dr. W. Watkins-Pitchford) ... 127 



Physical chemistry ... ... ... ... ... 647 



continuity. Some prol)lems of (Rev. Dr. S. R. Welch)... 171 



Place-names. South .African, .An inquiry int<» the derivation of (Rev- 



C. Pettman) ... ... ... ... ... 159 



Plant distribution in tlie Cape Region, The effects of droughts and 



other causes on ( Prof. R. Marloth) ... ... ... 383 



• food. Lithia as a constituent of (Prof. P. D. Hahn) ... 227 



growth and carbon bisulphide... ... ... ... 47^3 



Plants, A factor in the evolution of (Prof. H. A. Wager) ... 517 



, Oil producing, from South .Africa ... ... ... 155 



, South African, .Active principles of ... ... ... 158 



, Latices from ... ... ... 279 



Poisoned bait for biting flies ... ... ... ... 94 



Poisoning by cotton-seed and deficiency disease . . ... ... 382 



PoLE-Ev.\Ns (I.B.), A new smut on Sorghum halcpcnse Nees. ... 543 



, Some notes on the South African aloes . . . 723 



and Miss A. M. Bottomley : Preliminary list 



of South African fungi represented in the m\'cological herba- 

 rium, Pretoria.. ... ... ... ... ... 722 



Portland cement ... ... ... ... ... ... 425 



Potash from American kelp.. ... ... ... ... 226 



in Alsace ... ... ... ... 390 



in tobacco ash ... ... ... ... ... 529 



Power (J. H.), Notes on the functions of colour in certain South 



African reptiles and amphibians... ... ... ... 717 



President's address. The ... ... ... ... ... t 



Preservation, The, of the nionuments of Nature (Dr. H. G. Breyer) 722 



