CONTENTS OP JULY NUMBER. 



Ionic Velocities, by W. C. Darupier Whetham, M.A., Fellow of Trinity College 



Cambridge. 

 Insular Floras (II.), by W. Botting Hemsley, F.R.S., Royal Herbarium, Kew. 

 On the New Theory of Solutions (II.), by J. W. Rodger, A.R.C.S. 

 Italian Anthropometry, by John Beddoe, F.R. S. 



The Most Recent Values of the Magnetic Elements at the Principal Magnetic Observa- 

 tories of the World, by C. Chree, M.A. , Superintendent of the Kew Observatory. 



On the Succession and Genesis of Mammalian Teeth, by M. F. Woodward, A.R.C.S. 

 Chemical Literature for May, 1894. 



CONTENTS OF AUGUST NUMBER. 



Recent Work on the Morphology of Tissues in the Higher Plants, by D. H. Scott, 

 M.A. , F.R. S. , Hon. Keeper of the Jodrell Laboratory, Kew. 



The Arrangement of the Molecules in a Crystal, by H. A. Miers, M.A., British Museum 



(Natural History). 

 Critical Remarks on the Theories of Epigenesis and Evolution, by St. George Mivart, 



M.D., F.R.S. 



"Electromotive Phenomena in Glands," by E. Waymouth Reid, Professor of Physiology 

 in University College, Dundee. 



Atomic Weights, by Alexander Scott, M.A., Jacksonian Demonstrator in the University 



of Cambridge. 

 Chemical Literature for June, 1894. 



