

TRANSACTIONS 



OF THE 



EOYAL SOCIETY OF EDINBURGH. 



VOL. XXXVI. PART II.— (Nos. 9 to 21)— FOR THE SESSION 1890-91. 



CONTENTS. 



l'AOK 



No. IX. Alternate ± Knots of Order Eleven. By Professor C. N. Little. (With Two Plates), . 253 



X. On the Foundations of the Kinetic Theory of Gases. IV. By Professor Tait, . . 257 



XL Anatomical Description of Two New Genera of Aquatic Oligochceta. By Frank E. Beddard, 

 M.A. (Oxon.), F.Z.S., Prosector of the Zoological Society of London, and Lecturer on 

 Biology at Guy's Hospital. (With Three Plates), . . . . .273 



XII. Professor Kelt and' s Problem on Superposition. By Robert Brodie. (With Two Plates), . 307 



XIII. On the Solid and Liquid Particles in Clouds. By John Aitken, Esq., . . .313 



XIV. On the Relation of Nerves to Odontoblasts, and on the Growth of Dentine. By W. G. 



Aitchison Robertson, M.D. B.Sc. (With a Plate), ..... 321 



XV. The Development of the Carapace of the Chelonia. By John Berry Haycraft, M.D., D.Sc, 



F.R.S.E. (With a Plate), - . 335 



XVI. Strophanthus hispidus : its Natural History, C I temistry, and Pharmacology. By Thomas R. 

 Fraser, M.D., F.R.S., F.R.S.E, F.R.C.P.E., Professor of Materia Medica in the Uni- 

 versity of Edinburgh. Part IL— Pharmacology. (Plates VIII.-XXIIL), . . 343 



XVII. On the Composition of Oceanic and Littoral Manganese Nodules. By J. Y. Buchanan, Esq., 



F.R.S. (With Map and Plate), . . . . . .459 



XVIII. On Some Relations between Magnetism and Twist in Iron and Nickel (and Cobalt). Parts 

 II. and III. By Cargill 'G. Knott, D.Sc. (Edin.), F.R.S.E, Professor of Physics, 

 Imperial University, Tokyo, Japan. (With Five Plates), .... 485 



XIX. The Winds of Ben Nevis. By R. T. Omond and Angus Rankin, .... 537 



XX. A Demonstration of Lagrange's Ride for the Solution of a Linear Partial Differential 

 Equation, with some Historical Remarks on Defective Demonstrations hitherto Current. 

 By G. Chrystal, Professor of Mathematics, University of Edinburgh, . . .551 



XXI. On the Anatomy of Ocnerodrilus (Eisen). By Frank E. Beddard, M.A., Prosector of the 



Zoological Society of London, Lecturer on Biology at Guy's Hospital. (With a Plate), . 563 



(Issued November 10, 1891.) 



