ALL RIGHTS RESERVED. 



11,911 



Vol. V. No. 32 



Ratukal 

 SeiEReE: 



R JVIoiithly I^evieW of Scientific Progress. 



OCTOBER, 1894. 



CONTENTS. 



PAGE 



Notes and Comments 241 



Protozoa from pre-Cambrian Rocks— Primaeval Life — The 

 Primaeval Lampreys Again — The Armoured Fore-runners 

 of the Chordata— The Ancestry of the Chordata— The 

 Ancestry of Modern Mammalia — European Pleistocene 

 Mammalia — Pleistocene Mammalia from the Thames — 

 Acclimatised Rats and Cats— Living Specimens of Protop- 

 terus— The Plague Bacillus— Small-pox. 

 I. The Origin of Species without the Aid of Natural Selection: A 



Reply. By Rev. George Henslow, M.A., FL.S 257 



n. Horticultural " Sports." By Charles T. Druery, F.L.S 263 



III. On the Geology of the Plateau Implements of Kent. By 



Professor T. Rupert Jones, F.G.S. (Illustrated) 269 



IV. The Effect of Temperature on the Distribution of Marine 



Animals. By Otto Maas, Ph.D. 276 



Y. On the Dispersal of the Nutlets in certain Labiates. By Miss 



Dorothea F. M. Pertz. (Illustrated) 284 



YI. Hertwig's "Preformation or New Formation." By P. Chalmers 



Mitchell, M.A., F.Z.S 292 



Some New Books 298 



Elements of Palaeontology. By F. Bernard.— The Physical 

 Geology and Geography of Great Britain. By Sir A. C. 

 Ramsay (ed. 6, by H. B. Woodward)— The Royal Natural 

 History. By R. Lydekker— Studies on Doooglossa, &c. By 

 B. Haller— The Salmon of the Elbe. By A. Fritsch— Ponds 

 and Rock Pools. By H. Scherren— A History of the World. 

 By E. Guyard— Experimental Plant Physiology. By W. 

 Oels— Carboniferous Insects of Commentry. By C. Brongniart. 



Obituary 313 



F. C. Maillot— W M. Hind— E. A. Inglefleld-P. L. Jouy— E. 

 Haase — A. Hannover — M. Lessona— L. de Coulon — H. von 

 Helmholtz. 



News of Universities, Museums, and Societies 315 



Correspondence: — W. J. Lewis Abbott— H. M. Platnauer and E. 



Howarth — J. M. Clarke — F. A. Lucas. . . 318 



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