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SKERTCHLTS GEOLOGY. 



Revised and Enlarged in accordance with the latest require- 

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By JAMES MONCKMAN, D.Sc. 



The new matter comprises chapters on Rock Forming 

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London: THOMAS MURBY,3, Ludgate Circus Buildings, E.C. 



CONTENTS. 



page 

 BRITISH FRESHWATER MITES. By C. F. George, 



M.R.C.S. Illustrated 193 



PLEISTOCENE DRIFT OF THAMES VALLEY. By 



J. P. Johnson 194 



NATIONAL ANTARCTIC EXPEDITION 195 

 BIRDS WASHED OVER NIAGARA FALLS. By Rev. 



R. Ashington Bullen, B.A., F.G.S. - 196 

 SOME NEW PHYSICAL APPARATUS. By James 



Quick. Illustrated 197 



THE "OCEANA" EXPEDITION ----- 198 

 THE PRESENT EVOLUTION OF MAN. By G. W. 



Bulman, M.A., B.Sc. - - - - - - 199 



BRITISH INFUSORIA. By E. H. J. Schuster, F.Z.S. 



Illustrated 201 



INSTINCT. By R. Dickson Bryson, B.A., F.P.S., 



F.R.As.S. Illustrated 204 



A NATURALIST IN SOUTH-EASTERN EUROPE. 



By Malcolm Burr, F.E.S., F.Z.S. Illustrated - - 208 

 PREPARATION OF DIATOMACEOUS MATERIALS. 



By Edward H. Robertson 211 



BOOKS TO READ. Illustrated 213 



ASTRONOMY 215 



SCIENCE GOSSIP 216 



MICROSCOPY. Illustrated - - 217 



GEOLOGY ----- 218 



NOTES AND QUERIES. Illustrated - - 220 



TRANSACTIONS - - - 221 



NOTICES OF SOCIETIES 223 



METROPOLITAN SCIENTIFIC SOCIETIES - - 224 



CORRESPONDENCE -------- 224 



EXCHANGES 224 



