VOL. XV., No. 91. 



SEPTEMBER 1899. 



NATURAL 



V f t I'M ' 



• 



A MONTHLY REVIEW OF 



SCIENTIFIC PROGRESS 



CONTENTS 



Notes and Comments ....... 



Integration in Science — Women and the Learned Societies — British 

 Botany — Polemics and a Parasite — Life High and Low — As regards Proto- 

 plasm — The Darmstadt Museum — An Annelid from the Devonian — Cultiva- 

 tion of the Vine for Wine in Essex — Did Palaeolithic Man inhabit Scotland ? 

 — Insects and Tobacco — Ichthyosaurus at Home — A Note on Zoos. 



The Original Eock of the South African Diamond 

 By Professor T. G. Bonney, D.Sc, LL.D., V.P.R.S. 



The Scope of Natural Selection (continued) .... 

 By J. Lionel Tayler. 



Suggestions upon the Origin of the Australian Flora 

 By Spencer Moore, B.Sc, F.L.S. 



Fresh Facts ........ 



Some New Books ....... 



Obituaries ........ 



Carl Claus. 



News . . . . . . . 



Correspondence ....... 



PAGE 



161 



173 



183 



198 



213 

 216 

 232 



233 

 236 



EDINBURGH & LONDON 



YOUNG J. PENTLAND 



Price One Shilling net. In America Thirty Cents. 



Subscription 1 $s. per annum (in advance) post free. 

 For the Colonies and Abroad 1 4s. per annum post free. 



All Rights Reserved. 



