CONTENTS or CURRENT YOEUME. 



(XXIV.) 



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

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



By Fkedhkick T. Tkouton, D.Sc, F.R.S. 

 2, — Integrals depending on a Single Quaternion Variable. B\' Cuaules 



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

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



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

 4. — Some Properties of a certain (iuintic Curve. By the llev. W. 11. 



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

 5. — The Multi-linear Ciuaternion Function. By Chaules Jasper Jolt, 



M.A., D.Sc, F.T.C.D., Royal Astronomer oflreland, and Andrews' 



Professor of Astronomy in the Univer.sity of Dublin. 

 6. — On Bicursal Curves. By Ret. William Rau'h Wiostkopp 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. By Profkssoe 



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 Llotd 



Praegee, B.A., B.E. 

 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'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 generally. 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- Hamilton, B.A., F.Z.S., M.R.LA. 

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



George H. Carpenter, B.Sc. Loud., M.R.LA., of the Science 



and Art Museum, Dublin. (Plate VI.) 

 10.— The Intrusive Gneiss of Tirerrill and Drumnhair. By Grknvillb 



A. J. Cole, M.R.LA., 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 Galway and Mayo into Donegal, Tyrone, and Londonderry. 



By Alex. M'Henrt, M.R.LA. 

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



Hugh Ryan, M.A., D.Sc, F.R.U.I., and George Ebkill, B.A., 



Catholic University School of Medicine, Dublin. 

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



