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CONTENTS. 
(A) 
VOL. 195. 
List of Illustrations.page v 
Advertisement.vii 
List of Institutions entitled to receive the Philosophical Transactions or Proceedings of the Royal 
Society.i x 
Adjudication of Medals. 
T. Mathematical Contributions to the Theory of Evolution. — VII. On the Correlation 
of Characters not Quantitatively Measurable. By Karl Pearson, F.R.S. 
1 
II. Electrical Conductivity in Gases Traversed by Cathode Bays. By J. C. 
McLennan, Demonstrator in Physics, University of Toronto. Communicated 
by Professor J. J. Thomson, F.R.S .49 
III. Mathematical Contributions to the Theory of Evolution. —VIII. On the Inheri¬ 
tance of Characters not capable of Exact Quantitative Measurement .— 
Part I. Introductory. Part II. On the Inheritance of Coat-colour in Horses. 
Part III. On the Inheritance of Eye-colour in Man. By Karl Pearson, 
F.R.S., with the assistance of Alice Lee, D.Sc., University College, 
London .... 79 
IV. On Simultaneous Partial Differential Equations. By A. C. L)ixon, Se.D, 
Communicated by J. W. L. Glaisher, Sc.D .151 
a 2 
