V 



PREFACE. 



The hourly observations made at the Ben Nevis Observatory, and those taken five 

 times a day at the Public School, Fort- William, from 1st December 1883 to 31st 

 December 1887, have already been published in vol. xxxiv. of the Transactions of the 

 Royal Society of Edinburgh. This second volume of observations, being vol. xlii. of 

 the Transactions of the Royal Society of Edinburgh, continues the record till the end 



FlG. 1. THE BEN NEVIS OBSERVATORY IN SUMMER. 



[From G. W. Wilson's Series. 



of 1892, and includes the hourly observations made at the Observatory in Fort- William, 

 which was opened in July 1890. The cost of printing these volumes is being borne 

 by the Royal Societies of London and Edinburgh. 



A full account of the foundation of the Ben Nevis Observatory was given in the 

 ^former volume. Since its publication in 1890, the work at that Observatory has been 



