of Edinburgh, Session 1881-82. 
763 
Some on the lowermost slopes and in the plain are of great size, 
and present distinct marks of polishing and well-defined striae ; — 
viz., («) Syenite, 17 x5x6 feet, larger axis N.N.W. and S.S.E., 
with a deep conchoidal hollow at the broad end ; (b) micaceous 
gneiss, 15x9x6 feet ; two other large boulders of the same mineral 
lie in front of this, one to the IST.W., the other to the S.W. of the 
line. 
On the north aspect of one of these blocks, are several round 
hollows, so very like the cup markings of the archaeologist, that at 
first sight they seemed artificial ; but in another block, a bit, having 
been noticed protruding from the surface, on being struck with 
the hammer, fell out, leaving the cup marking on the stone ; (c) 
micaceous gneiss, 11x7x7 feet ; (d) mica schist (the rock in situ), 
11x7 feet. * * * * 
Slopes of Meall an f Suidlie, from 1 00 up to 1500 feet. — On these, 
the size of the boulders and their “lie” to the horizon varies, (a) 
Porphyry, 7x5x4 feet, angle of its site to horizon 35°, longer axis 
N.N.W. and S.S.E. This boulder is poised on an edge, which 
towards the mountain is 1 foot 7 inches broad, and towards the 
plain only 5 inches. ( b ) Porphyry (triangular shaped), 9x7x5 feet, 
apex towards the hill, as if the point of the boulder had been 
violently driven into it, larger axis ISLET. W. and S.S.E. On west 
side, a cup and ring mark. These oval or round marks are numerous, 
and occur chiefly on the N.W. side of the boulders ; — angle of site to 
horizon 20°. (c) Micaceous gneiss, 13x8x13 feet, angle to horizon 
20°. The heavy end rests on the mountain. At the point which 
stands out from the face of the hill ; the depth is only 3 J feet ; it 
lies mainly on three small rounded granite boulders, and is so poised 
as to suggest, that the slightest push would send it down the hill. 
* * -jf. 
At a point 1060 feet above the sea-level, a considerable part of 
the surface has been laid bare, and the rock is distinctly striated, 
the direction of the striae being apparently N.W. and S.W., but 
partly obliterated by cross-hatching. * * * * 
On the area to the ET. of the rounded crest above Suidhe lake, and 
to the W. of the great corrie between Ben Nevis and Cam Dearg, 
there is, (a) an enormous boulder of mica schist, lying on porphyry 
in situ; ( b ) large block of grey granite ; (c) large block of porphyry. 
