Trans. Roy. Soc, Edin. 



Vol. XLIX. 



PIRIE: GLACIOLOGY OF THE SOUTH ORKNEYS. Plate 11. B 



1903. 



SEPT. 

 19 BO 21 22 23 24 25 26 g7 28 29 30 I g 3 4 5 6 7 6 9 10 II 



OCT. NOV. DEC. 



12 13 14 15 16 17 18 19 EO 21 22 23 24- 25 26 27 28 29 30 31 I £ 3 4 5 6 7 8 9 10 II 12 '^ '"^ '^ '^ '^ '^ '^ ^°^' . ^^ " i^.* . " ^^. " . ^°. ^^ . '^° ' ^ -^ '*" ^ ^ "^ 



-z^ 



"intermediate thehmometei 



