

PROCEEDINGS 



OF THE 



CAMBRIDGE PHILOSOPHICAL^^ 

 SOCIETY. 



VOL. V. PART I. 



[Michaelmas Term, 1883.] 



CONTENTS: 



PAGE 



Rev. O. Fisher, On the effect of viscosity on the tides -•'. . . . 2 

 Mr A. G. Greenhill, Note on Mr Larmor's communication on 



" Critical Equilibrium." . . 2 



Mr A. G. Greenhill, Complex Multiplication of Elliptic Functions . 4 

 Mr M. J. M. Hill, On some General Equations which include the 



Equations of Hydrodynamics . . ... . . .23 



Mr J. N. Langley, On the Structure of Secretory Cells and on. the 



Changes which take place in them during Secretion ... 25 

 Mr A. S. Lea, and J. R. Green, Note on the Fibrin Ferment . . 31 

 Mr M. C. Potter, On the Structure of the Ice Plant (Mesembryanthemum 



Crystallinum L.). . . . .32 



Mr Walter Gardiner, On the Physiological Significance of Water 



Glands and Nectaries . . . ... . . .35 



Lord Rayleigh, On the measurement of electric currents ... 50 

 Mr W. N. Shaw, On the measurement of Temperature by Water- 

 vapour pressure . 52 



Mr J. C. McConnel, Measurement of the Dark Rings in Quartz . . 53 

 Mr Adam Sedgwick, On the origin of segmented animals and the 



relation of the mouth and anus to the mouth of the Coelenterata . 61 



♦ 

 PRINTED AT THE UNIVERSITY PRESS. 



AND SOLD BY 



DEIGHTON, BELL AND CO. AND MACMILLAN AND CO. CAMBRIDGE. 



BELL AND SONS, LONDON. 



1884 



