424 Miner alogical Observations in Galloway. [June, 



At the High Bridge of Dee, that is, 150 yards below tlie site of 

 the old bridge, and about twice that distance above the new, a 

 junction of the granite with the stratified roci< appears, running 

 across the channel of the river. " In one case," says Sir James 

 Hall in the paper formerly alluded to, " which occurs in the bed of 

 the river at the High Bridge of Dee, I saw the bounding surface of 

 the granite dipping at an angle of 45" from the centre of the 

 granite mass, and the strata lying upon it in what, in the Wernerian 

 language, is called a corifortnahle position to the granite, and cor- 

 responding exactly to what they have held out as the mode in which 

 the granite always meets the strata." 



11. I found Sir James's observation here to have been quite 

 accurate. The stratified rock, corresponding as nearly as may be to 

 the character of the fine-grained gneiss which rests immediately on 

 the granite on the east side of this district, here lies upon it at the 

 above-mentioned angle of 45°, and the direction of the strata is 

 N.E. by E. The dip is north-westerly, ji'st in the opposite direc- 

 tion it will be observed, that the strata dip on the eastern side of the 

 granite. I here measured the thickness of the compact gneiss 

 backward at least 40 feet from the granite. I mean to say that I 

 measured the stratified rock to this distance, and in all that space 

 could not perceive any difference in its appearance so as to induce 

 me to consider it as a different rock from that which touches the 

 granite. 



12. Crossing the Dee, 1 now proceeded southward, by Tanerghie 

 and Craigdews, towards the Burn of Palnure. About two and a 

 half miles iiom the Dee, and one and a half mile north-west from 

 the famous height called the Saddle-loup, which is just along 

 Craigdews, I observed the greywacke slate exposed ; and seeming 

 to have a considerably different direction and inclination from any I 

 had hitherto seen. On trial I found the direction E. by S. ; incli- 

 nation _'0" ; dip northerly ; still away from the granite, which is 

 here aijout half a mile from it. This observation was taken about 

 half a mile south of the small lake called the Lily Loch, from the 

 great quantity of the water lilies, as they are called {iiymphcea 

 alba), it contains. 



13. Half a mile farther to the south I found greywacke slate in 

 the burn at the house of Tanerghie, running E. by N. ; inclination 

 35° 3 dip westerly. Proceeding a short way farther south from the 

 house of Tanerghie, we came to a small lake. The hill rises very 

 suddenly on each side of this lake, both to the east and west. The 

 formation is all the greywacke and greywacke slate. Along the 

 banks of this dreary looking little lake, and past Tanerghie, the old 

 road used to go from Newtonstewart to New Galloway. The valley 

 is lonely, gloomy, and dismal, from the narrowness of the glen, 

 and tlie barren aspect of tlie mountains, so that travellers in former 

 times, during tlieir nightly tramps through it, were frequently 

 annoyed by tlie sight and sound of ghosts or hobgoblins. A little 

 Tvay to the south of the lake the Burn of Taliiure precipitates itself 



