xvill CONTENTS. 



PART II. (1868-69.) 



PAGl 



VIII. — On the Rotation of a Rigid Body about a t Fixed Point. By Pro- 

 fessor Tait, . . . . . .261 



IX. — On the Structure of the British Nemerteans, and some New 

 British Annelids. By W. Carmichael M'Ixtosh, M.D., 

 F.L.S., Murthly, Perthshire. Communicated by Professor 

 Tukner. (Plates IV.-XVL), . . .305 



X. — Observations on the Temperature of Neivly-Born Children. By 

 T. J. Maclagan, M.D., Dundee. Communicated by Dr J. 

 Matthews Duncan, ..... 435 



XI. — On the Practical Application of Reciprocal Figures to the Calcula- 

 tion of Strains on Framework. By Professor Fleeming 

 Jenkin. (Plates XVII.-XXIL), . . . .441 



XII. — An Investigation into some previously undescribed Tetanic Symptoms 

 produced by Atropia in Cold- Blooded Animals, ivith a Com- 

 parison of the Action of Atropia on Cold- Blooded Animals 

 and on Mammals. By Thomas R. Fraser, M.D., . 44!» 



XIII. — Hegel and the Metaphysics of the Fluxional Calculus. By W. 

 Robertson Smith, M.A., Assistant to the Professor of 

 Natural Philosophy in the University of Edinburgh. 

 Communicated b) r Professor Tait, . . . .491 



XIV. — Observations on New Lichenicolous Micro-Fungi. By W. Lauder 



Lindsay, M.D., F.L.S., &c. (Plates XXIIL, XXIV.), . 513 



XV. — On the Thermal Energy of Molecular Vortices. By W. J. 



Macquorn Rankine, C.E., LL.D., F.R.SS. L. & E., &c, . 557 



XVI. — On the Alkaloids contained in the Wood of the Bebccru, or Green- 

 heart Tree (Nectandra Rodicei, Schomb.) By Douglas 

 Maclagan, M.D., F.R.S.E., Professor of Medical Juris- 

 prudence in the University of Edinburgh, and Arthur 

 Gamgee, M.D., F.R.S.E., Lecturer on Physiology in 

 Surgeon's Hall, Edinburgh, . . 567 



