CONTENTS (continued). 



PAGE 



On the Occlusion of Oxygen and Hydrogen by Platinum Black. Part II. 

 By Ltjdwig Mond, Ph.D., F.R.S., William Ramsay, Ph.D., F.R.S., 

 and John Shields, D.Sc, Ph.D 50 



On the Appearance o£ the Cleveite and other New Gas Lines in the Hottest 



Stars. By J. Norman Lockyer, C.B., F.R.S 52 



Obituary Notices : — 



Benjamin Apthorp Gould .... i 

 Edward Ballard .... iii 



