CONTENTS. 



PART I. (1912-13.) 



MBER 



I. Experimental Researches on the Specific Gravity and the Displace- 

 ment of some Saline Solutions. By J. Y. Buchanan, jVI.A., F.R.S., 

 Commandeur de I'Ordre de St Charles de Monaco, Chemist and 

 Physicist of the Challenger Expedition, Vice-President du Comit6 

 de Perfectionnement de I'lnstitut Oceanographique (Fondation 

 Albert l®^ Prince de Monaco), ..... 



PART 11. (1912-13.) 



II. The Antarctic Fishes of the Scottish National Antarctic Expedition. 

 By C. Tate Regan, M.A., Assistant in the British Museum (Natural 

 History). (With Eleven Plates and Six Text-Figs.), . . 229 



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

 based on a study of Myxine. Part V. : The Anatomy of the Gut 

 and its Appendages. By F. J. Cole, D.Sc. Oxon., Professor of 

 Zoology, University College, Reading. (With Four Plates), . 293 



IV. On the Skulls of Antarctic Seals : Scottish National Antarctic 

 Expedition. By Willtam S. Bruce, LL.D., Director of the Scottish 

 Oceanographical Laboratory. (With Five Plates), . . . 345 



V. PolychsBta of the Families Serpididae and Sabellidx, collected by the 

 Scottish National Antarctic Expedition. By Helen L. M. Pixell, 

 B.Sc, P.Z.8., Demonstrator of Zoology and Reid Fellow, Bedford 

 College, University of London. (With One Plate), . . . 347 



VI. Caradocian Cystidea from Girvan. By F. A. Bather, M. A., D.Sc, 

 F.R.S. (With Six Plates.) [Published by permission of the 

 Trustees of the British Museum], . . . , .359 



