IV CONTENTS. 



PAGE. 



Tlic problems and principles of malaria prevention : A. J. Orenstein, 



M.D. ... ... •.. ••• ••■ ••• '^3 



SIR HENRY ROSCOE ... ••• •• ••• ••• 199 



Sarcospondia: G. V-\.\ de W.\ll de Kock, M.R.C.V.S. ... ... 200 



Biological Chemistry ... ... •■• ••• ••• -12 



The economics of East Coast Fever; as illustrated by the Transkeian 



Territories: Rev. J. R. L. KiNGON, ALA., F.L.S. ... ... 213 



Potash from American kelp . . ... • • ■ • • • ■ • ■ 226 



Can hthia be a constituent of plant food:-' Prof. P. D. H.\hn. M.A., 



Ph.D. ... ... ■•• ••• ■■■ ■•■ 227 



The Constitution of the Senate: F. Flowers, F.R.A.S., h.R.G.S. ... 230 



Manganese m wheat ... ••. ••• ••• ••• 231 



Notes on the Chemistrv of the INaras plant (Acaiithosuyos l.urnda 

 Hook) : W. \'ersfeld, B.A., D.Sc., and G. F. Brittex, B.A.. 



(Plates 2-4) ... ... ... ••• ••• •■• 232 



Southern stars ... ... • • • . • • • . • • • • • • -^^ 



The Bagananoa or Ma-labuch: notes on their early history, customs, 



and creed : Rev. X. Roberts ( Plates 5-7 ) 241 



Food value of Kaffir corn 25(1 



\ criticism of Lotsv's thcorv of evolulinn : Prof. S. ScH(i.\l.\.\ii, 



J\I.A., Ph.D., F.L.S., C.M.Z.S 257 



lOrought in the Walerberg ... ... ... . - 265 



The measurement of the natural ionisatidU of tiie air: 1'^. Jacot, B.A. 266 



Soluble phosphate 271 



The ostrich feather industry in South Africa: R. \V. Thornton ... 272 



Latices from South African Plants ... -79 



The relation of body and mind: Rt. Re\-. A. Cilvnilek. M.A., D.D. 280 



Dietetic dehciency : 1 i. li. Green, B.Sc, F.C.S 289 



Rubber from Alcohol 308 



.\e\v Phosphatic Ores 308 



Presentment and prt)of in geometry : a study of the associated circles 

 of a triangle: Rev. F. C. Kolbe, B.A., D-D. (with 13 text 



figures) 309 



Comet ]gi6a 324 



South African IMuseiun 325 



Soil Science 325 



The Royal Society 325 



Geography : J. Hutcheon, M.A., F.R.S.G.S 3^0 



On the discrimination of the general conic : Prof. J. 1'. D.\lton, 



M.A., D.Sc 33:, 



The effects of snake venoms on domestic animals, and the prepara- 

 tion of anti-venomous serum: D. T. AIitchell, AJ.R.C.V.S. ... 337 



The structure of the universe 354 



Note on the intersection of two curves, whose equations arc given 

 in polar co-ordinates; with an illustrative example: Prof. L. 



Crawford, M.A., D.Sc, F.R.S.E. (with two text figures) ... 35.5 



Fossil man 359 



Isotopes 35y 



The ijrofcssion of pharmacy : suggestions for reform in its mode of 



attainment: Prof. J. A. Wilkinson, M.x^., F.C.S 360 



Problems of living matter 366 



The fault systems in the south of South Africa : Prof. E. H. L. 



ScHWARz. A.R.C.S., F.G.S 367 



Dark nebula: ' 382 



Deliciency disease and cottonseed poisoning 382 



The effects of droughts and of some other causes on the distribution 



of plants in the Cape region: Prof. R. Marloth, M.A., Pli.D., 383 



Potash in Alsace 300 



-Vstronrimical discf^veries 31)0 



An actuarial analvsis of th.e loan schemes of certain l\and lluildim; 



Societies: Prof. J. P. Daltox, U.A., D.Sc 391 



E. W HILGARD 397 



