INDEX. xw.vvii 



PACK. 



Potasli, I'-fYeots of lime on iiisolulilc. in soil . . ... ... 334 



— from hanana .'Stalks ... ... ... ^"54 



fi'lspar ... • ■ . .... ... ... 423 



.seaweeds ... ... ... ... ... 567 



output. Ihe. of Japan ... ... ... ... 351 



Prelieii.sile toes in liumans ... ... ... ... igo 



Presidential address to Seetion .\ (Prof. |. Orr) ... ... 18 



— B (Prof. J. A. Wilkinson) ... 79 



: C (T. P.. Pole Evans) .. 97 



; D ( M. S. Evans) ... ... 117 



President's address ... ... ... ... ... i 



Presidents of former years ... ... ... ... xi 



Primitive man ... ... ... ... ... ... 356 



• in Florida ... ... ... ... ... 200 



, use of meteorites by ... ... ... 317 



Production, Relation of. to consumption (P. J. du Toit) ... 132 

 Pseudococcns capcnsis Brain, .\ convenient type of hydrocyanic 



acid juas .generator for the destruction of ( C. W. 



Mallv) ... ... ... ... ... 621 



Psciidoiiiyriiif.v hitntilis Alayr., Finely powdered mercuric chloride 



for the destruction of (C. W. Mally) ... ... 565 



Piilinum, The, Note on the eversion of. during; emergence of the 



House-fly. MiiSiO doinesfica Linn. ( C. W. Mally) ... 5QQ 



Quartzite. Thertnal conductivity of (Prof. R. A. Lehfeldt) ... 495 



Race differences, A pica for the scientific investigation of (Dr. 



S. G. Campbell) .... ... ... -,.... 620 



Radiolo.gy. Research .grants for ... ... ... ... Tr6 



Rainbows, Ground ... ... ... ... ... 5^5 



Rainfall, South African, The modification of (J. M. Sim) ... 318 



Religion, The, of the Zulu (Rev.. A. T. Bryant) ... ... 626 



Report of Council, 1915-1916 ... ... ... ... xxvi 



Research grants ... ... ... ... ... 116,423 



~, , Scientific, in South .Africa ... ... 116, r86 



Respiratory organs. The, of dragon-fly larvae (S. G. Rich) ... 600 

 Rhodesia, Trees and shrubs of the Melsetter district (C. F. M. 



Swynnerton) ... ... ... ... 620 



Rhodesian native poisons ( Rev. S. S. Dornan ) ... ... 356 



Rich (S. G.), The respiratory organs of dragon-fly larvae . . .■ 600 

 . Variations in A^aratuni conyzoidcs. Family Com- 



l)ositfe ... ... ... ... . . 574 



RiXDL (Prof. M. i\[.), The medicinal springs of South Africa ... 528 



River bathing. Some risks of (Dr. F. G. Cawston) ... .. 621 



I^OBERTs (Rev. N.), Bantu methods of divination: a comparative 



study ... ... ... ... ... 397 



. Rock paintings of the Northern Transvaal ... 569 



Rock paintings of the Northern Transvaal (Rev. N. Roberts) .. 569 

 RosEVE.XKE (Prof. W. N.), Note on equilateral triangles inscribed 



in ellipses and regular tetrahedra in ellipsoids ... 622 



Scarab cult, The, of ancient Egypt, An intestinal beetle of the 



Bantu as a possible ori.gin ( Rev. A. T. Bryant) . . . 626 



ScHERFFius (W. H.), Cotton ... ... ... ... 187 



Scholastic view of time, .\ (Rev. Dr. S. R. Welch) ... ... 413 



Schools, Trades, as aids to industry (Prof. J. Orr) ... ... 578 



Scientific research in South .\frica ... ... Il6, 186 



- — - — — — Societies. Conference of . . . ... ... ... 521 



ScoTT (Rev. J.), The farniin.g industry in Natal ... ... 575 



Seaweeds, Potash from ... ... ... ... ... 567 



