2 4 MAY 1910 



TRANSACTIONS 



OF THE 



ROYAL SOCIETY OF EDINBURGH. 



VOLUME XLVIL PART II.— SESSION 1909-10. 



CONTENTS. 



No. 



Page 



IX. Lower Paleozoic Hyolithidx from Girvan. By F. R. Cowper Reed, M.A., F.G.S. (With 



Three Plates), .......... 203 



(Issued October 13, 1909.) 



^ X. Report upon the Anatomy and Embryology of the Penguins collected by the Scottish National 

 Antarctic Expedition, comprising: (1) Some Features in the Anatomy of the Penguin; 

 (2) Tlie Embryology of the Penguin : a Study in Embryonic Regression and Progression. 

 By D. Waterston, M.A., M.D., F.R.C.S.E., and A. Campbell Geddes, M.D. (With 

 Three Plates), . . ....... 223 



(Issued October 21, 1909.) 



XL The Pharmacological Action of Harmaline. By James A. Gunn, M.A., M.D., D.Sc, . 245 



(Issued December 31, 1909.) 



XII. The Pharmacological Action of Protocatechyl-Tropeine. By Professor C. R. Marshall, . 273 



(Issued January 7, 1910.) 



XIII. The Pharmacological Action of Tutu, the Toot Plant of New Zealand. By Professor 



C. R. Marshall, ......... 287 



(Issued January 29, 1910.) 



XIV. On the Life-history of Hydrobius fuscipes, L. By Frank Balfour-Browne, M.A. (Oxon.), 



F.Z.S. (With Three Plates), . . . . . .317 



(Issued February 1, 1910.) 



XV. Strophanthus sarmentosus : its Pharmacological Action and its Use as an Arrow-Poison. By 



Sir Thomas R. Fraser, M.D., F.R.SS. L. & E., Professor of Materia Medica in the 

 University of Edinburgh, and Alister T. Mackenzie, M.A., M.B., Ch.B., Carnegie 

 Research Scholar. (With Eleven Plates), . . . . .341 



(Issued February 8, 1910.) 



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