in the direction of the wire, 
showing though less per- 
rudely indicated in fig. 5. 
As these experiments 
on the rupture of bubbles 
will be found to have much 
interest, I may suggest 
that they can be easily re- 
ce by forming the 
ubbles with tobacco- 
smoke blown from the 
ge. 
(10.) Of the rings produced by floating bubbles of phosphuretted 
: loded.—In what has just been stated W® 
at the sides of the ascending and spread: 
