208 TlMEHRI. 



tion of meteorological phenomena ; and for the detec- 

 tion of forgeries. 



The leclure was freely illustrated by photographic 

 samples of the various processes, some being shewn by 

 means of an optical lantern belonging to Mr. Luard of 

 Peter 's Hall, who also exhibited views of different 

 parts of the world. 



Erratum. 

 On page 96, line 25, for Captain read Cuptor. 



