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PHILOSOPHICAL TRANSACTIONS. 



Price £1 3s. } with 26 Plates. 

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

 Vol. CLXXYIII (1887). 



Contents. 



1. On the Luni-Solar Variations of Magnetic Declination and Horizontal Force at 



Bombay, and -of Declination at Treyandrum. By Chaeles Chambees, F.R.S., 

 Superintendent of the Colaba Observatory, Bombay. Price 3*. 



2. On the Properties of Matter in the G-aseous and Liquid States under various 



Conditions of Temperature and Pressure. By the late Thomas Andbews, 

 M.D., LL.D., F.R.S. Price Is. 



3. On Evaporation and Dissociation. Part III. A Study of the Thermal Pro- 



perties of Ethyl Oxide. By William Ramsay, Ph.D., and Sydney Young, 

 D.Sc. Price 3*. 



4. On the Discrimination of Maxima and Minima Solutions in the Calculus of 



Variations. By Edwaed P. Culvebwell, M.A., Fellow and Tutor, Trinity 

 College, Dublin. Price Is. 



5. On Ellipsoidal Current-sheets. By Hoeace Lamb, M.A., F.R.S., Professor 



of Pure Mathematics in Owens College, Victoria University. Price Is. 



6. On the Practical Measurement of Temperature : Experiments made at the 



Cavendish Laboratory, Cambridge. By H. L. Callendae, B.A., Scholar of 

 Trinity College, Cambridge. Price 3s. 6d. 



7 and 8. On the Distribution of Strain in the Earth's Crust resulting from Secular 

 Ccoling ; with special reference to the Growth of Continents and the Forma- 

 tion of Mountain Chains. By Chaeles Davison, M.A. With a Note by 

 G-. H. Dabwin, LL.D., F.R.S., Fellow of Trinity College, and Plumian 

 Professor in the University of Cambridge. Price 1*. 



9. Transmission of Sunlight through the Earth's Atmosphere. By Captain W. de 

 W. Abney, R.E., F.R.S. Price Is. 



10. On Hamilton's Numbers. By J. J. Sylvestee, D.O.L., F.R.S. , Savilian Pro- 



fessor of G-eometry in the University of Oxford, and James Hammond, M.A. 

 Cantab. Price Is. 



11. On Evaporation and Dissociation. Part V. A Study of the Thermal Properties 



of Methyl Alcohol. By William Ramsay, Ph.D., and Sydney Young, D.Sc. 

 Price 2s. 



12. Some Anomalies in the Winds of Northern India and their Relation to the 



Distribution of Barometric Pressure. By S. A. Hill, B.Sc, Meteorological 

 Reporter to Government, North- West Provinces and Oudh. Price 2*. 



13. On Figures of Equihbrium of Rotating Masses of Fluid. By G-. H. Dabwin, 



M.A., LL.D., F.R.S., Fellow of Trinity College and Plumian Professor in the 

 University of Cambridge. Price 2*. 6d. 



14. On Thermal Radiation in Absolute Measure. By J. T. Bottomley, M.A. 



Price Is. 6d. 



15. On the suppjsed "New Force" of M. J. Thoee. By William Cbookes, 



F.R.S., Pres.C.S. Price 1*. 



16. Some Applications of Dynamical Principles to Physical Phenomena. Part II. 



By J. J. Thomson, M.A., F.R.S. Price Is. 6d. 



