CONTENTS or CURRENT VOLUME. 



(XXIY.^ 



Section A. —Mathematical, Astronomical, and Physical Science — 



1 . — On the Creeping of Liquids and on the Surface Tension of Mixtures. 



By Fkedhrick T. Tuotjton, D.Sc, F.R.S. 

 2. — Integrals depending on a Single Quaternion Variable. By CnAElES 



Jasper Jolt, M.A., D.Sc, F.T.C.D. 

 3. — Some Experiments on Denudation hy Solution in Fresh and Salt 



Water. By J. Joly, D.Sc, F.R.S., F.G.S. 

 4. — Some Properties of a certain Quintic Curve. By the Rev. "W". R. 



Westropp Roberts, B.D., F.T.C.D. 

 6. — The Multi-linear Quaternion Function. By Charles Jasper Jolt, 



M.A., D.Sc, F.T.C.D., RoyalAstronomer of Ireland, and Andrews' 



Professor of Astronomy in the University of Dublin. 

 6. — On Bicursal Curves. By Rev. William Ralph Westropp Roberts, 



M.A., Fellow of Trinity College, Dublin. 

 7. — The Geometrical Meaning of Cayley's Formula) of Orthogonal 



Transformation. By C. H. Hinton, Patent Office, U.S.A. 

 8. — Method of obtaining the Cubic Curve having three given Conies as 



Polar Conies. By J. P. Johnston, ScD. 



Section B. — Biological, Geological, and Chemical Science — 



1. — On Types of Distribution in the Irish Flora. By Robert Llotd 



Praeger, B.A., B.Fi. 

 2. — Gleanings in Irish Topographical Botany. By Robert Llotd 



Praeger, B.A., B.E. 

 3. — On the Waste of the Coast of Ireland as a Factor in Irish History. 



By J. P. O'Reillt, C.E. 

 4. — On Composite Gneisses in Boylagh, West Donegal. By Grenville 



A. J. Cole, F.G.S. (Plates I. to V.) 

 5. — A List of Irish Echinoderms. By A. R. Nichols, M.A., being a 



Report from the Fauna and Flora Committee. 

 6. — Some Remarks on the Atlantis Problem. By R. F. Schaeff, B.Sc, 



Ph.D. 

 7. — Abstract of a Physiological Hypothesis to explain the Winter 



Whitening of Mammals and Birds inhabiting Snowy Countries, 



and the more striking points in the Distribution of White in 



Vertebrates generally. By Captaest G. E. H. Barrett- 

 Hamilton, B.A., F.Z.S., M.R.I.A. 

 8. — An Addition to the List of British Boreal Mammals. By Captain 



G. E. H. Barrett-Hamilton, B.A., F.Z.S., M.R.LA. 

 9. — On the Relationships between the Classes of the Arthropoda. By 



Gkorge H. Carpenter, B.Sc Lond., M.R.I.A., of the Science 



and Art Museum, Dublin. (Plate VI.) 

 10. — The Intrusive Gneiss of Tirerrill and Drumahair. By Grenville 



A. J. Cole, M.R.I.A., F.G.S,, Professor of Geology in the Royal 



College of Science for Ireland. 

 IL — Report on the Ox Mountain Rocks and their probable Continuation 



from Galway and Mayo into Donegal, Tyrone, and Londonderry. 



By Alex. M'Henrt, M.R.I.A. 

 12. — The Synthesis of Glycosides : Some Derivatives ofArabinose. By 



Hugh Ryan, M.A., D.Sc, F.R.U.L, and George Ebrill, B.A., 



Catholic University School of Medicine, Dublin. 



