CONTENTS. 



PART I. (1914-15.) 



NUMBER PAGE 



I. On the Zeolites and Associated Minerals from the Tertiary Lavas around 

 Ben More, Midi. By W. F. P. M'Lintock, B.Sc, Royal Scottish 

 Museum, Edinburgh. (Plates I-II1), ..... 1 



II. Spongiaires recueillis par la "Scotia" dans V Antarctique (1903-1904). 

 Supplement. Par Emile Topsent, Professeur a la Faculte des Sciences 

 de Dijon. Presente par le Dr. W. S. Bruce, . . . .35 



III. On Larvse of Lingula and Pelagodiscus (Discinisca). By J. H. Ash- 



worth, D.Sc, Lecturer in Invertebrate Zoology in the University of 

 Edinburgh. (Plates IV and V), . . . . . .45 



IV. The Temperatures, Specific Gravities, and Salinities of the Weddell Sea 



and of the North and South Atlantic Ocean. By William S. Bruce, 

 LL.D., Andrew King, F.I.C., and David W. Wilton, . . .71 



V. A Contribution to the Craniology of the People of Scotland. Part II. Pre- 

 historic, Descriptive and Ethnographical. By Principal Sir William 

 Turner, K.C.B., D.C.L., F.R.S., F.Soc.Ant.Scot., Emeritus Professor of 

 Anatomy. ......... 171 



VI. The Morphology and Development of the Free-Swimming Sporosacs of the 

 Hydroid Genus Dicoryne {including Heterocordyle). By J. H. Ash- 

 worth, D.Sc, University of Edinburgh, and James Ritchie, M.A., 

 D.Sc, Royal Scottish Museum, Edinburgh. (Plates VI-VIII), . . 257 



