.IM-.r INDEX. 



PAGE. 



Geometry, Presentment and proof in (Rev. Dr. F. C. Kollie ) ... ,^09 



Gold Mining Industry. The. of the Rand (Dr. W. A. Caldecott) . . . 1T3 



. The Rand (Prof. E. 11. L. Schwarz) ... ... ... 717 



Goold Adams Medals ... ... ... ... ..ix. xxvi 



Granite, Intrusions in the Parys (Prof. .S. J. Shand ) ... ... 722 



Green (H. H.) Dietetic deficiency ... ... ... ... 289 



GuNN (D.), Some ohservations on the life history of the pepper 



tree caterpillar, Bombycoiiiflrflsa /^aHicia Dist. ... ... 685 



H.\.\GNER (A. K. ), Game and hird protection in South .-Vfrica: a 



short comparison with some other countries... ... 519 



— On the variability in the nature or temperament 



of wild animals in captivity: with special reference to 



South African species ... ... ... ... 612 



Hahn (Prof. P. D. ), Can lithia l)e a constituent of plant food? ... 227 



ContriI)Utions to the chemistry of the soya 



bean ... ... ... ... ... ... 124 



Radioactive minerals in South Africa . . . 449 



Hepaticse or liverworts. South African (T. R. Sim) ... ... 426 



Herbarium. The Mycological. in Pretoria (1. P. Pole Evans and 



Miss A. M. Rottomley... ... ... ... ... 722 



Hilgard. E. W. . . . ... ... ... ... ... 397 



History, The. of the Baganonoa or MalaI)och (Rev. N. Roberts) . . . 241 



Homoptera. South African ... ... ... ... ... 417 



HoRNE (W. J.), Practical Education... ... ... ... 694 



Horse sickness, The problem of (Sir A. Theiler) ... ... 65 



HuTCHEON" (J.), Geography.. ... ... ... ... ,326 



Hvdrocvanic acid, .\nhydrous liquid, for fumi.gation ]3urposes (C. 



W. Mally) " ... ... ... ... ... 95 



in sorghum ... ... ... ... 50T 



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

 Infinite series. Transition from elementary algebra to the calculus 



without (Prof. W. N. Roseveare) ... ... ... 410 



Innes (R. T. a.), Presidential address ... ... ... i 



The masses of visual liinary stars ... ... 453 



Inspection, Medical, of schools in relation social efficiency (Dr 



C. F. L. Leipoldt ) . . ... ... ..." ... 5.^0 



Instruments, New Topographical (W. C- van der Sterr ) ... 685 



Intrusions in the Parys granite (Prof. S. J. Shand) ... ... 722 



lonisation of the air. Measurement of (E. Jacot) ... ... 266 



Isotopes ... ... ... . . ... ... 359 



Jacot (E. ). The measurement of the natural ionisation of the air 266 

 Janse (A. J. T.), On the desirability of founding a South African 



Entomological Society ... ... ... ... 693 



Japan. Radium in . . . ... ... ... ... ... 1.S8 



JuRiTZ (Dr. C. F. ), Notes on tlie chemical composition of Karroo 



ash ... .... ... ... ... ... 133 



Kaffir corn, Food value- of . . . ... ... ... ... 256 



Kanthack (F. E.). Presidential address to Section A ... ... 17 



Karroo ash. Notes on the chemical composition of (Dr. C. F. Juritz) 133 

 IxEftoE (D.). The influence of climatic and tellurical factors on the 

 distribution and spread of certain animal diseases; with 

 special reference to the conditions occurring in South 



Africa ... ... ... ... ... 474' 



Kelp, American, Potash from ... ... ... ... 226 



Kenway (H. C.), Some aspects of modern naval development ... 693 



K1DT1 (Prof. A. S.), The simplification of Er^glish ... ... 589 



KiLPix (R.), Proportional representation ... .,. ... 723 



