CONTENTS. 



VOL. LI. 



■ i 3 6 i ■ . - 



No. 308.— March 3, 1892. 



Page 



Certain Correlated Variations in Crangon vulgaris. By W. F. E. 

 Weldon, M.A., F.E.S., Fellow of St. John's College, Cambridge, Pro- 

 fessor of Zoology in University College, London 2 



An Experimental Investigation of the Nerve Eoots which enter into the 

 Formation of the Brachial Plexus of the Dog. By J. S. Eisien Eussell, 

 M.B., M.E.C.P. (From the Physiological Institute of Berlin and the 



^Pathological Laboratory of University College, Loudon) 22 



The Influence of the Kidney on Metabolism. By J. Eose Bradford, 

 M.D., D.Sc, Fellow of University College, London, Assistant Professor 

 of Clinical Medicine at University College, Grocer Eesearch Scholar. 

 (From the Physiological Laboratory of University College, London) .... 25 



List of Presents 40 



March 10, 1892. 



B akerian Lecture. — On the Grand Currents of Atmospheric Circulation. 

 By James Thomson, LL.D., F.E.S., Emeritus Professor of Civil En- 

 gineering and Mechanics in the University of Glasgow. [Plate lj .... 42 



List of Presents 46 



March 17, 1892. 



Dynamo-Electric Machinery. By J. Hopkinson, F.E.S., and E. Wilson 49 



On the Clark Cell as a Standard of Electromotive Force. By E. T. Glaze- 

 brook, M.A., F.E.S., FeUow of Trinity College, and S. Skinner, 

 M.A., Christ's College, Demonstrator in the Cavendish Laboratory, 

 Cambridge 60 



Note on the Functional and Structural Arrangement of Efferent Fibres 

 in the Nerve-roots of the Lumbo-sacral Plexus. (Preliminary Com- 

 munication.) By C. S. Sherrington, M.A., M.B., &c 67 



On the Causation of Diphtheritic Paralysis. By Sydney Martin, M.D., 



F.E.C.P., Assistant Physician to University College Hospital 78 



List of Presents 81 



March 24, 1892. 



Crooxian Lecture. — The Temperature of the Brain, especially in 

 relation to Psychical Activity. By Angelo Mosso, Professor of 

 Physiology in the University of Turin 83 



List of Presents 85 



