OCT 



ALL RIGHTS RESERVED . 



Vol. VII. No. 44. 



Rathi^al 



"■'" SeiERGE: 



A JVEonthly I^evieW of Scientific Progress. 



OCTOBER, 1895. 



CONTENTS. / 



Notes and Comments 225 



The British Association and the President's Address— Ether— 

 The Synthesis of Organic Compounds— Underground Geology 

 — Murray's Mud-line —Myology as an Aid in Classification— 

 Tunicata— Botany— Civilisations— Weismann and Spencer— 

 Life-History of the Foraminifera — The Structure of Heliopora 

 — The Temperature of the Nile — Toads in Holes— Adders 

 Again — A Botanical Station in Central Africa— The Ascent of 

 Sap— A Polemic from Victoria Park. 

 I. The Sixth International Geographical Congress. By H. N. Dickson, 



Secretary of the Congress 241 



II. The Role of Sex. Part II. By Professor J. B. Haycraft, M.D., B.Sc. 245 

 III. The " Exposition de Madagascar " at the Jardin des Plantes. By 



P. Li. Sclater, M. A., F.R.S 251 



lY. On the Relation of Philosophy to Natural Science. By S. Tolver 



Preston, Ph.D 253 



Y. Morphology at the National Museum. By W. G. Ride wood, B.Sc. 



(With Plate xix.) 258 



YI. Oceanic Deposits Ancient and' Modern. Part I. By W. F. Hume, 



D.Sc, F.G.S 270 



Some New Books 277 



Crystallography: by N. Story-Maskelyne (W. J. Pope).- 

 Chemical Crystallography : by A. Fock (translated by Pope) 

 (A. R. li.).— Studies in the Evolution of Animals: by E. 

 Bonavia (F. B. B.).— The Ardennes : by P. Lindley.— Man- 

 chester Museum Owens College: Catalogue of Library: by 

 Yt. E. Hoyle.— Unterauchungen uber die Starkekorner : by 

 A. Meyer.— Das Pflanzenphysiologisches Praktikum: by W. 

 Detmer.— Key to Orders of Flowering-Plants : by F. Thonner. 



Obituary 2®^ 



S. L. Loven— H. E. Baillon— J. Carter- L. P. Areas— J. Yesque 

 — M. McDonald— R. Krause— F. Hoppe-Seyler-T. H. Chandler. 



News of Universities, Museums, and Societies 291 



Correspondence: Grenville A. J. Cole-George Henslow— W. L. Distant 295 



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