Roy. Soc. Edin. 



.O.ED. SCOTTISH METEOROLOGY, /8S6 -ISB7. 



Vol. XXXV 



PLATE 3. 



XT Of- 



St ss 



I9SST /860 #7* tS86 



47890 / 2$*£67*?O'2*tf47*?0/244 J~* 7 8? 



