CONTENTS. 



SESSION CXXVIII. 



PAGE 



Results of Meteorological Observations taken in Edinburgh during 1898, 



byR. C. MossMAN, F.R.S.E., F.R.Met.Soc, 127 



Solar Energy in Relation to Ice, by J. G. GooDomLD, F.G.S., F.Z.S., . 137 



Some Notes >n a Rock alliedf to Limburgite, near North Berwick, by 



J. G. GooDCHiLU, Esq., F.G.S., F.Z.S., 155 



On the Maintenance of the Earth's. Internal [Heat, by' J. G. Goodohild, 



Esq., F.G.S., F.Z.S., 157 



On the Occurrence of the Lesser Whitethroat {Sylvia cicrruca) in the Outer 

 Hebrides, with Remarks on the Species as a Scottish Bird, by William 

 Eagle Clarke, F.L.S., etc., . . . / 158 



On the Occurrence of the Asiatic Houbara {Houhnra macqueenii, Gray and 



Hardwicke) in Scotland, by Willtam Eagl^ Clarke, F.L.S., etc., . 162 



On the "White Phase of Plumage in the Iceland Gull {Larus leucopterus, 



Faber), by William Eagle Clarke, F.L..S., etc, . . . .164 



Additional Records of Spiders and other Arachnids from the Edinburgh 

 District (Second Instalment), by George H. Carpenter, B.Sc, and 

 William Evans, F.R.S.E., 168 



On the Genesis of Some Scottish Minerals, by J. G. Goodohild, F.G.S., 



F.Z.S., 181 



The Gollemhola and Thysanura of the Edinburgh District, by George H. 

 Carpenter, B.S.c, F.E.S., and William Evans, F.R.S.E. [Plates 

 'Y.fyi./Yll.'Mll.l . .... . . . .221 



Contributions to the Natural History of the Polar Bear {Ursm maritiimis, 

 Linn.), by Reginald Koettlitz, M.R.O.S.Eng., F.R^G.P. Com- 

 municated by William S. Bruce, F.It.S.G.S.-y . .266 



