TRANSACTIONS 



OF THE 



ROYAL SOCIETY OF EDINBURGH. 



VOLUME XLVII. PART I. 



1. Notes on Hydrodynamics, chiefly on Vortex Motion. By Professor Andebw Gray, F.R.S. Price : to 



Public, Is. id.; to Fellows, Is. {Issued April 15, 1909.) 



2. The Glacial Deposits of Western Carnarvonshire. By T. J. Jehu, M.D. (Ediii.), M.A. (Cainb,),.F.G.S., 



Lecturer in Geology at the University of St Andrews. (With Four Plates and One Map.) Price : to 

 Public, 4s. 6d.; to Fellows, 3s. 6d. {Issued May 3, 1909.) 



3. Scottish National Antarctic Expedition : Observations on the Anatomy of the Weddell Seal {Leptonychotes 



Weddelli). By David Hepburn, M.D., Professor of Anatomy, University College, Cardiff (University 

 of Wales). (With One Plate.) Price : to Public, Is. ; to Fellows, M. {Issued May 25, 1909.) 



4. Supplementary Report on the Hydroids of the Scottish National Antarctic Expedition. By Jambs 



Ritchie, .M.A., B.Sc, Natural History Department, The Eoyal Scottish Museum. Communicated, by 

 W. S. Bruce, LL.D. Price : to Public, 3s. ; to Fellows, 2s. 3d. {Issued May 27, 1909.) 



[For Prices of previous Volumes and Parts see page S of Cover.] 



i' 3"^ 



PRINTEC BY NKII.I. AND COMPANY, I.IMITKB, RDINBUHOH. 



