VI 



Pap* 



On the Course of the Fibres of the Cingulum and the Posterior Parts of 

 the Corpus Callosum and of the Fornix in the Marmoset Monkey. 

 By Charles E. Beevor, M.D., F.E.C.P 271 



On the Changes produced in the Circulation and Eespiration by Increase 

 of the Intracranial Pressure or Tension. By Walter Spencer, M.S., 

 Assistant-Surgeon to Westminster Hospital, and Victor Horsley, B.S., 

 F.E.S 273 



On the British Earthquakes of 1889. By Charles Davison, M.A., 

 Mathematical Master at King Edward's High School, Birmingham .... 275 



On the Harmonic Analysis of Tidal Observations of High and Low 

 Water. By G. H. Darwin, F.E.S., Plumian Professor and Fellow of 

 Trinity College, Cambridge 278 



An Experimental Investigation of the Central Motor Innervation of the 

 Larynx. Part I. Excitation Experiments. By Felix Semon, M.D., 

 F.E.C.P., and Victor Horsley, B.S., F.E.S. (From the Laboratory of 

 the Brown Institution.) 341 



Contributions to the Molecular Theory of Induced Magnetism. By 

 J. A. Ewing, F.E.S., Professor of Engineering in University College, 

 Dundee 342 



On the Eelation between the Magnetic Permeability of Eocks and 

 Eegional Magnetic Disturbances. By A. W. Eiicker, M.A., F.E.S 358 



On the Causes of the Phenomena of Terrestrial Magnetism, and on 

 some Electro-mechanism for exhibiting the Secular Changes in its 

 Horizontal and Vertical Components. By H. Wilde, F.E.S 358 



List of Presents ... 359 



On the Germination of the Seed of the Castor-Oil Plant (Ricinus com- 

 munis). By J. E. Green, M.A., B.Sc., F.L.S., Professor of Botany to 

 the Pharmaceutical Society of Great Britain 370 



A Note on an Experimental Investigation into the Pathologv of Cancer. 

 By Charles A. Ballance and Samuel G. Shattock " 392 



On the Position of the Vocal Cords in Quiet Eespiration in Man, and on 

 the Eeflex-Tonus of their Abductor Muscles. By Felix Semon, M.D., 

 F.E.C.P., Assistant Physician in charge of the Throat Department of 

 St. Thomas's Hospital, and Laryngologist to the National Hospital 

 for Epilepsy and Paralysis, Queen Square 403 



No. 295. November 20, 1890. 



On the Determination of the Specific Eesistance of Mercury in Absolute 

 Measure. By J. V. Jones, Principal and Professor of Physics 

 in the University College of South Wales and Monmouthshire, 

 Cardiff. 434 



The Spectroscopic Properties of Dust. By G. D. Liveing, M.A., F.E.S., 

 Professor of Chemistry, and J. Dewar, M.A., F.E.S., Jacksonian 

 Professor, University of Cambridge 437 



