I 



List of the Contributors. ix 



Mackintosh, H. "W., M.A. page. 



Note on the Occurrence of a Premaxilla-frontal Suture in the 

 Skull of the Koalla (Phascolarctos cinereus), (Plates x. to 

 xiii.), 335 



Malet, John C, M.A. 



On the Negative Pedal of a Central Conic. (Abstract), . 151 



On the Equation of a Tangent Cone to a Quadric, referred to 



the Axes. 594 



Moss, Edw. L., M.D., R.N. 



On Griaciation by Sea Ice, 50 



M'Alpine, Akchibald N., B.Sc. ; and Hutchinson, Christophee 



ClAEKE. 



On the Gaseous Constituents of the Vartry and Grand Canal 



Waters, . 79 



O'Eeillt, Joseph P., C.E. 



Notes on the Meteor of Friday the 6th April, 1877 (Plate), . 87 



On a Cylindrical Mass of Basalt existing at Contham Head, 



Moon Bay, Coast of Antrim (Plates viii. & ix.), . . 237 



On the Directions of Main Lines of Jointing obseryable in the 

 Rocks about the Bay of Duljlin, and their Relations with 

 adjacent Coast Lines, ....... 295 



On the Correlation of the Lines of Faulting of the Palamow 

 Coal-field District, Northern India, with the neighbouring 

 Coast Lines, ......... 310 



On a Relation to be established between Coast-line Directions 

 represented by Great Circles on the Globe and certain Loca- 

 lities in Europe marked by frequency of Earthquakes, . 503 



Pearson, Rev. James, M.A., Cantab. 



Observations on the Phenomena of the Tides as observed at 

 Fleetwood, Lancashire ; with Illustrations from the Tides 

 of Rathmullan, Co. Donegal, 72 



Computation of Tides at Fleetwood. — Results of Theory and 



Observation, Ill 



Computation of Tides at Fleetwood. — Discussion of Corre- 

 sponding Phenomena in different Years, &c., . . .179 



Computation of Occultations and Eclipses, .... 183 



Three Tears' Observations of the Tides at Liverpool (Fleet- 

 wood), .......... 351 



Computation of Tides (Plate xix.), ..... 656 



Pluneett, William ; and Stitddeet, Lancelot, LL.D. 



Report on the Solid and Gaseous Constituents of the Mallow 



Spa, in the County of Cork, ...... 75 



QuiNLAN, F. J. B., M.D. 



The Application of Spectrum Analysis to the estimation of Bile 



in the Renal Secretion of Patients suffering from Jaundice, 272 



