x Contents. 



March 1, 1886. page 



On the Development of the Nervous System in Petrorayzon fluviatilis. 



By A. E. Shipley 374 



On the changes undergone by the proteid substances of seeds during 



germination. By J. R. Green 375 



March 15, 1886. 



On the Cerebral Circulation. By Professor Koy and C. S. Sherrington . 375 

 On a new method of detecting Bromides ; a case of so-called Catalytic 



Action. By H. J. H. Fenton . 375 



On a Self-recording Barometer. By H. Darwin 378 



A Verification of a Transformation in Elliptic Functions. By J. 



Chevallier . . . .381 



On some Caves in Portugal. By H. Gadow 381 



May 10, 1886. 

 Some experiments on the Electric Discharge in a uniform electric 

 field, with some theoretical considerations about the passage of 

 electricity through gases. By Professor Thomson . . . .391 

 On an experiment in Ventilation. By W. N. Shaw .... 410 

 On the series for e x , \og e {l±os), (l + x) m . By M. J. M. Hill . . .415 

 On a method of finding the Potentials of Circular Discs by means of 



Bessel's Functions. By A. B. Basset 425 



May 24, 1886. 

 On a New Species of Dinophilus. By W. F. R. Weldon . . .433 



On the life-history of Pedicellina. By S. F. Harmer .... 433 

 On the organ of attachment of Laminaria bulbosa. By W. Gardiner . 433 



Officers and new Members of Council, 1883-1884 

 „ „ „ 1884-1885 



„ „ „ 1885-1886 



Members of Council, 1885-1886 ... 



Index of Authors, with Titles of Papers . 



1 

 169 

 315 

 434 

 435 



PLATES. 



I. II. To illustrate Mr W. Gardiner's paper on the Physiological 

 Significance of Water Glands and Nectaries. 



