CONTENTS. 



VOL. V. 



October 29, 1883. 



PAGE 



Remarks by the President 2 



On the effect of Viscosity on the Tides. By O. Fisher .... 2 

 Note on Mr Larmor's communication on " Critical Equilibrium." By 



A. G. GreenhiU 2 



Complex Multiplication of Elliptic Functions. By A. G. GreenhiU . 4 

 On some General Equations which include the Equations of Hydro- 

 dynamics. By M. J. M. Hill 23 



November 12, 1883. 



On the Structure of Secretory Cells and on the Changes which take 



place in them during Secretion. By J. N. Langley ... 25 



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



On the Structure of the Ice Plant (Mesembryanthemum Crystallinvm L.). 



By M. C. Potter 32 



On the Physiological Significance of Water Glands and Nectaries. By 



W. Gardiner 35 



November 26, 1883. 



On the Measurement of Electric Currents. By Lord Rayleigh . . 50 

 On the Measurement of Temperature by Water- vapour Pressure. By 



W. N. Shaw 52 



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

 On the origin of segmented animals and the relation of the mouth and 



anus to the mouth of the Coelenterata. By A. Sedgwick . . 61 



900/ 



