LAKES IN RELATION TO GEOLOGICAL FEATURES 487 
APPENDIX 
GEOLOGICAL NOTES ON SCOTTISH LOCHS SOUNDED BY THE LAKE SURVEY 
Aboyne. — Loch ponded by drift. 
AcHALL. — Valley rock-basin in Moine schists, piled up Lewisian Gneiss, 
and Torridonian strata below Moine thrust-plane. 
AcHANALT.— Vol. IL Part L p. 289."^ 
AcHiLTY.— Vol. n. Part L p. 290. 
AcHLAisE, NA H-. — Shallow locli ponded by drift lying on moraine-strewn 
surface of schist and granite. 
AcHRAY.— Vol. n. Part L p. 48. 
Affric. — Valley rock-basin in granulitic schist ; with two deltas at AfFric 
Lodge. 
AiLSH.— Vol. IL Part L p. 307, 
AiRiDH NA Ceardaich. — Irregular rock-basin in Lewisian Gneiss. 
AiRiDH NA Lie. — Hollow in Lewisian Gneiss, probably ponded by drift. 
AiRiDH Sl^ibhe, NA H-. — Rock-basin in Lewisian Gneiss. 
AiTHNESs. — Rock-basin in altered Old Red Sandstone and intrusive 
igneous rocks, partly drift-dammed. 
Allan. — Hollow among moraines. 
Allt an Fhearna. — Hollow in morainic material resting on Moine schists. 
Allt na h-Airbhe. — Rock-basin in Lewisian Gneiss. 
Alvie. — Kettle-hole in fluvio-glacial deposits. 
Anna, — Rock-basin in Lewisian Gneiss. 
Araich-Lin. — Drift-dammed loch resting on crystalline schists. 
Ard.— Vol. II. Part I. p. 51. 
Arienas. — Rock-basin in crystalline schists at foot of escarpment of 
Tertiary volcanic rocks overlying Cretaceous strata ; probably 
determined by the line of fault that truncates the south-eastern end 
of the Morvern plateau. 
Arkaig. — Simple valley rock-basin in crystalline schists and granite. 
Arklet.— Vol. II. Part I. p, 49. 
Arthur. — Small rock-basin near edge of Criffel granite massif, partly 
ponded by drift. 
Ashie.— Vol. IL Part I. p. 43L 
Aslaich. — Small, narrow drift-dammed loch in schists. 
Assynt.— Vol. IL Part I. p. 187. 
AsTA. — Rock-basin along strike of crystalline schists and metamorphic 
limestone ; may be in part due to solution. One of the Tingwall 
lochs, Shetland. 
AucHENREocH. — Drift-dammcd loch. 
* Volume II. contains geological notes on those lakes not described in this Appendix, 
the reference being given here in each case. 
