PLATES. 



I. Illustrative of Canon Moseley's Paper on the steady Flow of a Liquid. 



IL Illustrative of Dr. J. W. Draper's Paper on the Distribution of Heat 

 in the Spectrum. 



III. Illustrative of Mr. T. E. Thorpe's Paper on an Improved form of 



Filter- Pump. 



IV. Illustrative of M. F. Zollner's Paper on the Spectroscopic Reversion- 



Telescope. 



V. Illustrative of M. H. Weber's Paper on the Heat-conducting Power of 

 Iron and German Silver. 



ERRATA. 



Page 352, line 25, instead of like a jelly in the fact read like a jelly 

 from the fact. 



— 357, — 31, instead of composition of fibrous mass read composi- 



tion of the fibrous mass. 



— 358, instead of 



B+A' 



read 



B': 



C'= 



B' = 



C'= 



A 



B+A' 

 A 



BXA' 



A 

 BxA' 



— 359, in the Table, instead 0/ calculated in 5*74 albumen read cal- 



culated for 5'74 albumen. 



— 362, line 5, instead of between the albuminous read betv>^een these 



theoretically albuminous. 



