Vl CONTENTS. 



NUMBER fACy.; 



IX. On the Fossil Osmundacecs. Part II. By R. Kidston, F.R.S. L. & E., 

 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. -IV.), . . . . . .213 



X. The Medusce of the Scottish National Antarctic Expedition. By 

 Edward T. Browne, Zoological Research Laboratory, University 

 College, London. (With Two Plates), . . . .233 



XL On q-Functions and a certain Difference Operator. By the Rev. 



F. H. Jackson, M.A., ....... 253 



XII. TJie Evolution of the Eyebrow Region of the Forehead, with Special 

 Reference to the Excessive Supraorbital Development in the 

 Neanderthal Race, By Professor D. J. Cunningham, F.R.S. 

 (With Three Plates), ....... 283 



XIII. On the Age of the Old Red Sandstone of Shetland. By John S. 



Flbtt, M.A., D.Sc., ....... 313 



XIV. On Fossil Fish-remains collected by J. S. Flett, M.A., D.Sc, from the 

 Old Red Sandstone of Shetland. By Ramsay H. Traquair, M.D., 

 LL.D., F.R.S. (With Two Plates), . . . . .321 



XV. On the Lamellibranch and Gasteropod Fauna found in the Millstone 

 Grit of Scotland. By Wheelton Hind, M.D., B.S., F.R.C.S., F.G.S. 

 (With Two Plates), . . . . . . .331 



XVI. On a New Species of Dineuron and of Botryopteris from Petty cur, 



Fife. By R. Kidston, LL.D., F.R.S., F.R.S.E. (With One Plate), . 361 



XVII. The Craniology, Racial Affinities, and Descent of the Aborigines of 

 Tasmania. By Principal Sir William Turner, K.C.B., D.C.L., 

 F.R.S. (With Three Plates), . . . . .365 



v/ XVIII. Les Holothuries de V Expedition Antarctique Nationale Ecossaise. 

 Par Clement Vaney, Maitre de conferences de Zoologie a la Faculte 

 des Sciences de Lyon. (Avec cinq planches), . . . 405 



PART III. (1908-09.) 



XIX. On Lepidophloios Scottii (a neiv species from the Calciferous Sand- 

 stone series at Pettycur, Fife). By Wm. T. Gordon, M.A., B.Sc, 

 Carnegie Research Scholar in Geology, Edinburgh University. (With 

 Three Plates), ....... 443 



