of Edinburgh, Session 1883-84. 
891 
V. Partimlar Positions of Boulders. 
Explained under the following heads : — 
1. In beds of clay, gravel, and sand. 
2. On the surface of the country. 
a. Lying on flattest side. 
h. Standing on end. 
c. Butted against rocks or resting on other boulders. 
d. Besting on steep slopes of hills. 
e. Besting on ridges and tops of very high hills. 
1. Embedded in Clay, Gravel, or Sand. 
In Aberdeenshire a boulder of 8 tons found in a bed of sand 
{Abstract, p. 769). 
In Ayrshire, large boulders found in a bed of sandy mud at a 
depth of 18 feet, the boulders being covered with Balani and 
Serpidce {Abstract, p. 786 (3)). 
In Renfrewshire, near Paisley, boulders in clay beds, found with 
Balani, which had grown on them {Abstract, p. 860). 
On an island in Loch Lomond, a bed of boulder clay occurs con- 
taining Arctic shells. 
In Arran, beds of boulder clay occur, with blocks and broken 
shells {Abstract, p. 793.) 
In Aberdeenshire, thick masses of unstratified pebbly mud occur, 
with stones and Arctic shells, most of them broken, but some entire 
{Abstract, p. 772). 
In the Lewis, at several places, boulder clay occurs, with 
boulders and fragments of sea-shells {Abstract, p. 821). 
In Caithness, at Keiss, Wick Bay, and Scrabster, there are beds 
of boulder clay and drift, containing shells and stones, some of which 
are scratched; one boulder in the Wick clay bed is 12 feet in 
length {Abstract, p. 794). 
In the Orkneys, the islands of Eda, Sanday, Stromsa, Shapiushay, 
and Bonaldshay present clay beds containing boulders foreign to the 
islands, and marine shells, most of them broken or striated, as well 
as the boulders {Abstract, p. 853). 
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