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OF THE EILDON HILLS, IN ROXBURGHSHIRE. 217 
Much altered slate, north-east of Hildon top. 
Porphyry ; col between Hildons. 
Porphyry, Eastern Eildon. 
Altered greywacke, Duke’s Glen. 
Much altered specimen of Dryburgh sandstone, Duke’s Glen, near No. 18. 
. Slaty porphyry, west part of Hildon, near Bowden Muir. 
Porphyry, Cauldshiels Loch. 
- Variegated porphyry, Rhymer’s Glen. 
Porphyry near greywacke, Rhymer’s Glen. 
Black shale associated with greywacke, Rhymer’s Glen. 
Do. do., containing galena. 
Greywacke, near the above. 
Trap tufa, Rhymer’s Glen. 
Specimen of Dryburgh sandstone from Duke’s Glen, horizontal. 
Do. do., not altered. 
Felspar porphyry, apparently traversing sandstone in Duke’s Glen. 
Porphyritic rock near boundary of trap tufa, The Holmes, opposite Dryburgh. 
Trap tufa, do. do. 
Felspar porphyry, do. do. 
Altered sandstone, close to No. 32. 
Modified felspar rock, do. 
