CONTENTS. Vll 



PAGE 



XX. An Investigation of the Seiches of Loch Earn by the Scottish Lake 

 Survey. Part III. — Observations to Determine the Periods and 

 Nodes. Part IV. — Effect of Meteorological Conditions upon the 

 Denivellation of Lakes. Part V. — Mathematical Appendix on the 

 Effect of Pressure Disturbances upon the Seiches in a Symmetric 

 Parabolic Lake. By Professor Chrystal, . . . .455 



XXI. The Structure of Turrilepas Peachi and its Allies. By F. R. Cowper 



Reed, M.A., F.G.S. (With a Plate), . . . . .519 



XXII. Asteries, Ophiures et Echinides de V Expedition Antarctique Nationale 

 ficossaise. Par le Dr. R. Koehler, Professor de Zoologie a l'Universite 

 de Lyon. (Avec seize planches), ..... 529 



XXIII. On the Fossil Osmundacece. Part III. By R. Kidston, LL.D., 



F.R.S. L. & K, F.G.S., Foreign Mem. K. Mineral. Gesell. zu St 

 Petersburg; and D. T. Gwynne-Vaughan, M.A., F.L.S., Lecturer 

 in Botany, Birkbeck College, London. (Plates I.-VIIL), . . 651 



XXIV. A Monograph on the general Morphology of the Myxinoid Fishes, 



based on a study of Myxine. Part III. — Further Observations on 



the Skeleton. By Frank J. Cole, B.Sc. Oxon. (With One Plate), . 669 



Index, .......... 683 



