392 SKY. CFOlOi;Y. OYKRLYIN<; RO< 



or overwhelming the regular stratified rocks> In . 



u this subject I must necessarily . 

 former occasions, to the description of sor 

 udablv placed after Sky in order, namc!\ 

 Lunc;a, and Pabha, as \voll as to R merly de- 



scribed. 



A line may be drawn in a south-westerly direction from 

 the mainland through the Croulin isles. Sealpa and Sky, 

 to Soa and Rum, marking the course of an clevaK 

 i -f strata of red sandstone. On the south-eastern side'!- tlie 

 boundary of t : . .1 is marked by their contact \vilh the 



limestone of Sealpa. while on the north-v\e>;crn it is neither 

 so definite nor so regular, but may be traced as tar 

 southern part of Rasay on one side, and the n 

 ando of Hum on the other, beyond which il 

 land present to in -place. Of the difficulty which 



tlie relation of this porti- lime- 



stone t 



uch I must here refer. Whatever that relation may- 

 be, it is reasonable to suppose that since tlu 

 bear an accurate bo those of SK, 



direction, in composition, and in relation to the 

 bouri -, they belong to an equal". -.uious 



and regular deposit. It has been seen that t 

 maintain an even course till they meet the sea and dis- 

 appear ; and that there is here no rock of the t 

 to obscure or disturb enite of 



na Cham, the effect of which will confirm ti- 

 the c;. w to be assigned for the interrupt 

 second or nor ;rn line ofredsar. 

 be called the Scalpa liiu . If now an attempt I 

 trace this iiiiv .;d it disappear on tlu 



.or does it again 



Loch Scavig in this direction. found LV 



by the trap of the Cuchullin hills ; an indication, tii 



i ..-n.o\ 



and also the geoeral " 



