INDEX. 



PAGE 



AbraIham (Rev. N.), An interesting case of insect mutualism ... 137 



Absorption of arsenic through the skin in dipping (Dr. H. H. Green ) 472 

 Academic study of native philology and ethnology, The need and 



value of ( Rev. \V. .\. Norton) 194 



Acidity, The volatile, of wine (Prof. A. I. Perold) 405 



Acquired characters, A suggested mechanism for the inheritance of 



(Dr. T. F. Dreyer) 2TZ 



-\ddress by the President of the Association ( Prof. J. Orr) i 



— Section A ( Prof. W. N. Roseveare) . . 33 



Section B (Prof. M. M. Rindl) ... 48 



Section C (J. Burtt-Davv) 6: 



Section D (Rev. B. P. J. Marchand) . . 83 



Section E ( Rev. N. Roberts) '&>^ 



African languages, Phonetic analysis and comparison of (Rev. W. A. 



Norton) 421 



Ageratutu coiiycoidcs. Variation in ( S. G. Rich) 547 



Agricultural education in Australia (Dr. C. F. Juritz) 2ro 



South Africa (Dr. A. T. Perold) 20 r 



Agriculture, Electricity and 176 



Aiken (A.), Notes on Irving Fisher's theory of gold 539 



Alpha Ccntauri, Parallax of faint proper motion star near ( R. T. A. 



Innes 141 



America. Early man in 484 



, National research in 271 



, Potash from kelp in 289' 



. See also " United States " 



American ancT British proposals for a league of peace (Rev. R. 



Balm forth ) 290 



Ammonium sulphate 42a 



Amphibians found near Kimberley, Some notes on the colouration 



of (J. H. Power) ' 263 



Ancient East African forest. Some factors in the replacement of. by 



wooded pasture land (C. F. J\I. Swynnerton) 493 



Panama canals 482 



Animals, Healthy survival of, in relation to antineuritic hormone 



content of their foodstuffs (Dr. H. H. Green) 483 



. South African, Vermian parasitological research with 



reference to (C. S. Grobbelaar) 243 



Annual ^Vreeting, Fifteenth, Proceedings of xxiii 



Ant, The Argentine, Natural enemies of ( C. W. Mally) 245 



Antineuritic hormone content of a foodstuff in relation to healthy 



survival of animals upon it (Dr. H. H. Green) 483 



Aphis, The Woolly, as a factor in apple culture (C. W. Mally) ... 556 

 Apple culture^ The Woolly Aphis (Eriosoina lanigcra) as a factor 



in ( C. W. Mally ) 556 



Argentine ant, The, Natural enemies of ( C. W. Mally) 245 



Ars Sophoclis interpretandi (Dr. H. G. V'iljoen) 527 



Arsenic. Fate of, after ingestion by and injection into live stock. 



and after absorption through the skin in dipping (Dr. 



H. H. Green) 472 



, Note on the micro-titration of (Dr. H. H. Green) 518 



. Oxidation and reduction of. by bacteria in cattle-dipping 



tanks (Dr. H. \\. Green) 465 



Assets of Empire, Neglected (Julia F. Solly) 524 



