VI CONTENTS OF VOL. XXXVIII. SIXTH SERIES. 



Page 



Notices respecting New Books : — 



J. Byrnie Shaw's Lectures on the Philosophy of Mathe- 

 matics 495 



Proceedings of the Geological Society ; — 



Prof. P. Pry Kendall on " Wash-outs " in Coal-Seams 



and the Effects of Contemporary Earthquakes 496 



Dr. A. Gilligan on Sandstone Dykes or Kock- Eiders in 

 the Cumberland Coalfield 499 



NUMBER CCXXVIL— NOVEMBER. 



Sir George Greenhill on the Bessel-Clifford Function, and its 

 applications 501 



Dr. A. 0. Rankine and Dr. P. B. Young on the Magnetic 

 Effects of Vibration in Iron Rods 528 



Dr. L. B. Loeb on the Recoil of Alpha Particles from Light 

 Atoms 533 



Messrs. A. Bursill and H. Bedson on a New Magnet-testing 

 Instrument. (Plate VII.) 542 



Prof. A. R. McLeod on Terrestrial Refraction 546 



Prof. C. V. Raman on the Scattering of Light in the Re- 

 fractive Media of the E} r e 568 



Prof. C. V. Raman on the Partial Tones of Bowed Stringed 

 Instruments 573 



Prof. Kia-Lok Yen on an Absolute Determination of the 

 Coefficients of Viscosity of Hydrogen, Nitrogen, and 

 Oxygen. (Plate VIII.) 582 



Prof. W. M. Hicks on the Mass carried forward by a Vortex. 597 



Prof. W. M. Thornton on the Ignition of Gases by Hot 

 Wires : 613 



Mr. F. P. Renwick on the Fundamental Law for the true 

 photographic rendering of Contrast 633 



Prof. A. W. Porter and Dr. R. E. Slade on the Funda- 

 mental Law for the true photographic rendering of 

 Contrast 637 



Dr. Manne Siegbahn on Precision-measurements in the X-Ray 

 Spectra.— Part II 639 



Dr. Manne Siegbahn and Mr. A. B. Leide on Precision- 

 measurements in the X-Ray Spectra. — Part III 647 



Dr. Norman Campbell on the Measurement of Time and 

 other Magnitudes 652 



Prof. G. W. Todd and Mr. S. P. Owen on a Vapour Pressure 

 Equation 655 



Prof. A. R. McLeod on a New Form of Catenary G61 



Notices respecting New Books : — 



J. W. French's translation of Steinheil and Voit's 

 Applied Optics. Vol. II ( . . 661 



