742 Proceedings of the Royal Society 
facing W.N.W., a conglomerate boulder about 250 feet above 
sea, in girth about 100 feet, and about 12 feet high. 
The above four conglomerate boulders lie on granite rocks. 
On Piper’s Hill, where rocks in situ are Old Red Sandstone, 
a conglomerate boulder, on the side of a kaim facing N.W., 
weighing about 10 tons. Above sea about 300 feet. 
No conglomerate rock of the same hard description in 
Nairnshire. On the granite rocks there lie boulders of sand¬ 
stone, evidently transported from the north, where the Old Red 
Sandstone only exists, in the low country. (Reporters—W. 
Stables, Esq., commissioner; and his clerk, Mr John G-rant, 
Cawdor Castle.) 
Croy .—Conglomerate boulder, called “ Tomreach,” about 15 feet 
high, and girth of 27 yards. About 300 or 400 feet above 
sea. Sketch sent. (Reporter—Captain White, R.E.) 
Orkney and Shetland. 
Bressay (Shetland).—A number of boulders consisting of a coarse 
white sandstone at various heights, viz., from 40 to 360 feet 
above sea. They lie on east side of island, and are conjec¬ 
tured to have come from Norway. Largest boulder, 10 x 7 x 4 
feet. Longer axis, N.W. Distinct groovings N.E. and S.W. 
(true); some of them 3 inches deep. (Reporter—School¬ 
master?) 
Eday (Orkney).—Conglomerate boulder, 12 x 7 x li feet, about 8 
tons. Longer axis N.E. Situated near top of hill, about 250 
feet above sea. Called u Giant Stone.” Legend, as to it 
being thrown from island of Stronsay. No conglomerate in 
Edajr, but there is in Stronsay. (Reporter—G, Miller, school¬ 
master, Cross and Burness.) 
Frith and Stennis (Orkney).—Pebbles of white freestone on the 
hills. No white freestone rock in district; all red sandstone. 
(Reporter—Robert Scarth.) 
Housay Island (Shetland).—On a cliff, 200 feet above sea, there 
are loose blocks resting on rounded knolls and polished rock, 
all polished before the burthen they now bear was thrown upon 
them. Some of the stones hang on ridges on the rounded 
sides of the bill. 
