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PHILOSOPHICAL TRANSACTIONS. 



Price £1 Ss. t with 26 Plates. 

 Series A. Containing Papers of a Mathematical or Physical Character. 

 Vox. CLXXVIII (1887). 



Price £1 16s., with 33 Plates. 

 Seeies B. Containing Papers of a Biological Character. 

 Vol. CLXXVIII (1887). 



The Papers in each Series can also be purchased separately and are published by 

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PHILOSOPHICAL TRANSACTIONS. Vol. CLXXIX (1888). 



The following separate Papers are now ready : — 

 Seeies A. 



(Containing Papers of a Mathematical or Physical Character.) 



24. On the Changes Produced by Magnetisation in the Dimensions of Rings and 



Rods of Iron and of some other Metals. By Sheleoed Bidwell, M.A. , 

 F.R.S. Price Is. 



25. On the Ultra- Violet Spectra of the Elements. Part III.— Cobalt and Nickel. 



By G-. D. Liveing, M.A., F.R.S., Professor of Chemistry, and J. Dewar, 

 M.A., F.R.S., Jacksonian Professor, University of Cambridge. Price 2*. 6d. 



26. The Conditions of the Evolution of Grases from Homogeneous Liquids. By 



V. H. Veley, M.A., University College, Oxford. Price Is. 



27. On the Induction of Electric Currents in conducting Shells of small Thickness. 



By S. H. Buebtjey, M.A., formerly Fellow of St. John's College, Cambridge. 

 Price ]s. 



28. Magnetic Qualities of Nickel. By J. A. Ewing, F.R.S. , Professor of Engineer- 



ing in University College, Dundee, and G-. C. Cowan. Price Is. 



29. Magnetic Qualities of Nickel (Supplementary Paper). By J. A. Ewing, 



F.R.S., Professor of Engineering in University College, Dundee. Price Is. 



30. On Certain Mechanical Properties of Metals considered in relation to the 



Periodic Law. By W. Chandler Roberts-Attsten, F.R.S., Professor of 

 Metallurgy in the Normal School of Science and Royal School of Mines, 

 South Kensington, Chemist and Assayer of the Royal Mint. Price 1*. 



31. On the Specific Resistance of Mercury. By R. T. Gtlazebbook, M.A., F.R.S., 



Fellow of Trinity College, Demonstrator at the Cavendish Laboratory, 

 Cambridge, and T. C. Fitzpatrick, B.A., Fellow of Christ's College, 

 Demonstrator at the Cavendish Laboratory, Cambridge. Price 1*. 



32. Invariants, Covariants, and Quotient-Derivatives associated with Linear 



Differential Equations. By A. R. Forsyth, M.A., F.R.S., Fellow of Trinity 

 College, Cambridge. Price 3*. 



33. The small free Vibrations and Deformation of a thin Elastic Shell. By A. E. H. 



Love, B.A., Fellow of St. John's College, Cambridge. Price Is. 6d. 



34. Colour Photometry. Part II. — The Measurement of Reflected Colours. By 



Captain Abney, C.B., R.E., F.R.S., and Major-G-eneral Festing, R.E., F.R.S. 

 Price 2s. 6r\ 



35. Combustion in dried Oxygen. ByH. Brereton Baker, M.A.,Dulwich College, 



late Scholar of Balliol College, Oxford. Price Is. 



