TRANSACTIONS 



OF THE 



ROYAL SOCIETY OF EDINBURGH. 



VOLUME XLVI. PART II.— SESSION 1908-9. 



CONTENTS. 



No. Page 



VII I. On the Histology of the Ephedreas, toith Special Reference to the Value of Histology for 



Systematic Purposes. By R. J. D. Graham, M.A., B.Sc. (With Three Plates), . 203 



{Issued separately February 20, 1908.) 



IX. On the Fossil Osmundacece. 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 



(Issued separately March 27, 1908.) 



X. The Medusce of the Scottish National Antarctic Expedition. By Edward T. Browne, 



Zoological Research Laboratory, University College, London. (With Two Plates), . 233 



(Issued separately May 1, 1908.) 



XL On q-Functions and a certain Difference Operator. By the Rev. F. H. Jackson, M.A., . 253 



(Issued separately April 21, 1908.) 



XII. The 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 



(Issued separately June 16, 1908.) 



XIII. On the Age of the Old Red Sandstone of Shetland. By John S. Flett, M.A., D.Sc, . 313 



(Issued separately July 8, 1908.) 



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



Shetland. By Ramsay H. Tkaquaik, M.D., LL.D., F.R.S. (With Two Plates), . 321 



(Issued separately July 4, 1908.) 



V V. On the Lamellibmn, ?. , ni j Gasteropod Fauna found in the Millstone Grit of Scotland. By 



Wheelton t >, Ai.j..., T3 #S-> F.R.C.S., F.G.S. (With Two Plates), . . .331 



(Issuea ^.-rately September 2, 1908.) 

 XVI. On a New Species of Dineuron and of ., teris f rom p e ttycur, Fife. By R. Kidston, 



LL.D., F.R.S., F.R.S.E. (With One PL . , _ . .361 



(Issued separately A' ..'5, i 



XVII. The Craniology, Racial Affinities, and Descent of the Aborigines of /'&» ■- p, v Principal 



Sir William Turner, K.C.B., D.C.L., F.R.S. (With Three Plates; , 365 



(Issued separately October 16, 1908.) 



l/ XVIII. Les Holothuries de V Expedition Avtarctique Nationale ficossaisr. Par Clement Vaney, 

 Maitre de conferences de Zoologie a la Faculto des Sciences de Lyon. (Avec cinq 

 planches), .......... 405 



(Issued separately October 15, 1908.) 



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