PKOCEEDINGS OF THE EOYAL lETSH ACADEMY 



PAPERS EECENTLY PUBLISHED 

 VOLUME XXIY. 



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



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



By Fkederick T. Trouton, D.Sc, F.R.S. 



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



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



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



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



4. — Some Properties of a certain Q,uintic Curve. By the Rev. W. 11 



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



5. — The Multi-linear Quaternion Function. By Charles Jasper Joly, 



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 Wkstropp Roberts, 



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



7. — The Geometrical Meaning of Cayley's Formulae 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. 



9. — Some New Relations in the Theory of Screws. Bv Professor 



C. J. Joly, M.A., D.Sc, F.T.C.D. 

 10. — A Method of Reduction of a Quartic Surface possessing a Nodal 

 Conic to a Canonical Form. With an Application of the same 

 Method to the Reduction of a Binodal Quartic Curve to a 

 Canonical Form. By John Fraser, M.A., F.T.C.D. 



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



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



Praeger, B.A., B.E. 



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



Praeger, B.A., B.E. 



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



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



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



A. J. Cole, F.G.S. (Plates L 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. Scharff, 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 generallv. By Captain 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-Hamtlton, B.A., F.Z.S., M.R.I.A. 



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



George 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. 



11. — Report on the Ox Mountain Rocks and their probable Continuation 



from Gal way and Mayo into Donegal, Tvrone, and Londonderry. 

 By Alex. M'Henry, 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, DubUn. 



13. — A List of Irish Hepaticse. By David McArdle. 



