CONTENTS. 

 VOL. XLIII. 



No. 258. 



Page 



On the Eelation between Tropical and Extra-tropical Cyclones. By Hon. 

 Kalph Abercromby, F.B.Met.Soe 1 



Conduction of Heat in Liquids. By C. Chree, B.A., King's College, 

 Cambridge 30 



On Babies. By G. F. Dowdeswell, M.A., F.L.S., F.C.S. (Plate 1) 48 



A Further Minute Analysis, by Electric Stimulation, of the so-called 

 Motor Eegion of the Cortex Cerebri in the Monkey (Macacus sinicus). 

 By Charles E. Beevor, M.D., M.E.C.P., and Victor Horsley, B.S., 

 F.B.C.S., F.E.S 86 



No. 259. 



The Influence of Stress and Strain on the Physical Properties of Matter. 

 Part I. Elasticity — continued. The Velocity of Sound in Metals and 

 a Comparison of their Moduli of Longitudinal and Torsional Elastici- 

 ties as determined by Statical and Kinetical Methods. By Herbert 

 Tomlinson, B.A. (Plate 2) 88 



On the present Position of the Question of the Sources of the Nitrogen 

 of Vegetation, with some new Eesults, and preliminary Notice of New 

 Lines of Investigation. By Sir J. B. Lawes, Bart., LL.D., F.E.S., 

 and J. H. Gilbert, LL.D., F.E.S. Preliminary Notice 108 



November 17, 1887. 



Eesearches on the Spectra of Meteorites. A Eeport to the Solar 

 Physics Committee. Communicated to the Eoyal Society at the re- 

 quest of the Committee. By J. Norman Lockyer, F.E.S. 117 



Specific Inductive Capacity. By J. Hopkinson, M.A., D.Sc, F.E.S 156 



List of Presents 



161 



