TO 



THE METEOROLOGICAL SOCIETY OF SCOTLAND,- 



A SOCIETY DISTINGUISHED 

 BY THE IMMENSE AMOUNT OF WORK IT HAS PERFORMED, 



AND IS STILL PERFORMING, 

 BOTH FOR THE PUBLIC GOOD AND THE HELP OF 



GOVERNMENT OFFICES, 

 THIS LITTLE ESSAY, IN BOOK SHAPE, 



IS NOW DEDICATED, 

 BY THEIR HUMBLE SERVANT, 



C. PIAZZI SMYTH. 



EDINBURGH, June i, 1882. 



