vii 



Page 



J. Theodore Cash, M.D., F.B.S., and Wyndhain E. Dunstan, M.A., 



F.E.S 338 



Meeting of February 10, 1898, aud List of Papers read 348 



Contributions to the Theory of Alternating Currents. By W. G. 

 Ehodes, M.Sc. (Vict.). Communicated by Prof essor Arthur Schuster, 

 F.E.S 348 



The Development and Morphology of the Vascular System in Mammals. 

 I. The Posterior End of the Aorta aud the Iliac Arteries. By Alfred 

 H. Young, M.B., F.E.C.S., and Arthur Eobinson, M.D. Communi- 

 cated by Sir William Turner, F.E.S 350 



Further Observations upon the Comparative Chemistry of the Supra- 

 renal Capsules, with Eemarks upon the Non-existence of Suprarenal 

 Medulla in Teleostean Fishes. By B. Moore, M. A., Sharpey Scholar, 

 University College, London, and Swale Vincent, M.B. (Lond.), British 

 Medical Association Eesearch Scholar. Communicated by Professor 



E. A. Schafer, F.E.S 352 



The Effects of Extirpation of the Suprarenal Bodies of the ~Ee\ (Anguilla 

 anguilla). By Swale Vincent; M.B. (Lond.), British Medical Asso- 

 ciation Eesearch Scholar. Communicated by Professor E. A. Schafer, 



F. E.S 354 



The Kelvin Quadrant Electrometer as a Wattmeter and Voltmeter. 

 By Ernest Wilson. Communicated by Dr. J. Hopkinson, F.E.S 356 



The Magnetic Properties of almost pure Iron. By Ernest Wilson. 

 Communicated by Dr. J. Hopkinson, F.E.S 369 



On a new Method of Determining ^he Vapour Pressures of Solutions. 

 By E. B. H. Wade, B. A. Communicated by Professor J. J. Thomson, 

 F.E.S 376 



No. 386. 



Meeting of February 17, 1898, and List of Papers read 385 



Mathematical Contributions to the Theory of Evolution. On the Law 

 of Ancestral Heredity. By Karl Pearson, M.A., F.E.S., University 

 College, London 386 



Mathematical Contributions to the Theory of Evolution, On the 

 Inheritance of the Cephalic Index. By Miss Cicely D. Fawcett, 

 B.Sc, and Karl Pearson, M.A., F.E.S., University College, London.... 413 



Comparison of Oxygen with the Extra Lines in the Spectra of the 

 Helium Stars, ,8 Cruris, &c. ; also Summary of the Spectra of Southern 

 Stars to the 3-| Magnitude and their Distribution. By Frank 

 McClean, F.E.S. (Plate 6) 417 



No. 387. 



Meeting of February 24, 1898 (Discussion Meeting) 423 



The Scientific Advantages of an Antarctic Expedition. By John 



Murray, D.Sc, LL.D., Ph.D., F.E.S 424 



Eemarks by the Duke of Argyll 434 



Eemarks by Sir J. D. Hooker 436 



