PHILOSOPHICAL TRANSACTIONS. 



Part I, 1883. 



Contents. 



I. The Influence of Stress and Strain on the Action of Physical Forces. By 

 Herbert Tomlinson, B.A. 



II. On the Specific Resistance of Mercury. By Lord Rayleigh, F.R.S., and 

 Mrs. H. Sidgwick. 



III. On the Ultra- Violet Spectra of the Elements. Part I. Iron (with a map), 

 and Part II. By a. D. Liveing, M.A., F.R.S., and fJ. Dewar, M.A., 

 F.R.S. 



IV. Experiments on the Yalue of the British Association Unit of Resistance. 

 Part I. By R. T. G-iazebrook, M.A., and J. M. Dodds, B.A., Part II. 

 By R. T. G-lazebrooe: and E. B. Sargant, M.A. 



V. On the Normal Paraffins. Part IV. By C. Schorlemmer, F.R.S., and T. 

 E. Thorpe, F.R.S. 



VI. On a Collection of Rock Specimens from the Island of Socotra. By T. Gr. 

 Bonney, M.A., F.R.S. 



VII. Experiments, by the Method of Lorentz, for the further Determination of 

 the Absolute Value of the British Association Unit of Resistance, with an 

 Appendix on the Determination of the Pitch of a Standard Tuning- Fork. 

 By Lord Rayleigh, F.R.S., and Mrs. H. Sidgwick. 



VIII. On Abel's Theorem and Abelian Functions. By" A. R. Forsyth, B.A. 



Index to Part I. 



Price £1 10s. 



Extra volume (vol. 168) containing the Reports of the Naturalists attached to the 

 Transit of Venus Expeditions. Price £3. 



Sold by Harrison and Sons. 



Separate copies of Papers in the Philosophical Transactions, commencing with 1875, 

 may be had of Trubner and Co., 57, Ludgate Hill. 



