rans. Roy Soc. Edin. 



R.Q ED. SCOTTISH METEOROLOQY, 1856-182/. 



Vol. XXXV 



PLATE 13. 



Ytar o/- 

 0iy = 



V8ST /86o /8?Q /880 



6 7 8 9 O ' Z34.S6y8?Q/2.3 A- S 6 7 X 9 O / % 3 4-5678? 



I. or of- 



itchie. f Son, Pboto-litft. 



& 7 9 ? O / 9. 3 4- S 6 7 Z f O / 7-34-S6 78?0' Z 3 4- S 6 ? Z f 



/860 



/s;o 



/880 



C.P.S. obs. §- d&L 



