August 31, 1893] 



NATURE 



429 



changeable, and the low-level serves also as a depot for 

 stores, &c., which are carried up during the summer to the top." 

 The original buildings on the hill-top were found too small for 



the double purpose of carrying a set of anemometers and of 

 providing a convenient exit when the winter snows have closed 

 the ordinary doorway. 



Fic. I.— Tlio Obseivatory in Summ 



\ 



FiG. 2. — The Observatory in Winter. 



iatlsfactorily carrying on the work of the observatory, so in the 

 lummer of 1884 lari;e additions were made, the most important 

 K-ing the erection of a tower about thirty feet high, which serves 



NO. 1244, VOL. 48] 



The Winds of Ben Nevis. 

 In addition to the routine work, other observations and re 

 scirches have been carried on by the observers on Ben Nevis. 



II 



