 | 1835 - 726 pages
...unceasingly and gently, drop hy drop. Tin' extent of such bogs is also affected by the nature of the rock below them. On quartz they are shallow and small ,...considerable — the thickness of the bog, for example, on Knocklaid, in the county of Antrim, which is 1685 I'eet high, being near 12 feet. The summit bogs... | |
 | 1835 - 742 pages
...bogs is also affected by the nature of the rock below them. On quartz they are shallow and •mail; on any rock, yielding by its decomposition a clayey...considerable — the thickness of the bog, for example, on Knocklaid, in the county of Antrim, which is 1685 leek high, being near 12 feet. The summit bogs... | |
 | Ordnance Survey of Ireland, Thomas Colby - 1837 - 414 pages
...unceasingly and gently, drop by drop. The extent of such bogs is also affected by the nature of the rock below them. On quartz they are shallow and small ;...considerable — the thickness of the bog, for example, on Knocklayd, in the county of Antrim, which is 1685 feet high, being nearly 12 feet. The summit bogs... | |
 | Ordnance Survey of Ireland, Thomas Colby - 1837 - 414 pages
...unceasingly and gently, drop by drop. The extent of such bogs is also affected by the nature of the rock below them. On quartz they are shallow and small;...decomposition a clayey coating, they are considerable—- die thickness of the bog, for example, on Knocklayd, in the county of Antrim, which is 1685 feet high,... | |
 | Robert Kane - 1844 - 438 pages
...unceasingly and gently, drop by drop. The extent of such bogs is also affected by the nature of the rock below them. On quartz they are shallow and small ;...considerable — the thickness of the bog, for example, on Knocklaid, in the county of Antrim, which is 1685 high, being near twelve feet. The summit bogs... | |
 | Robert Kane - 1845 - 550 pages
...unceasingly and gently, drop by drop. The extent of such bogs is also affected by the nature of the rock below them. On quartz they are shallow and small ;...yielding by its decomposition a clayey coating, they arc considerable — the thickness of the bog, for example, on Knocklaid, in the county of Antrim,... | |
 | 1851 - 340 pages
...unceasingly and gently, drop by drop. The extent of such bogs is also affected by the nature of the rock below them. On quartz they are shallow and small;...example in Knocklaid, in the county of Antrim, which is 1,085 feet high) being nearly 12 feet. The summit bogs of high mountains are distinguishable from those... | |
 | Robert Ellis (F.L.S.) - 1851 - 968 pages
...gently, drop by drop. The extent of such bogs is also «fleeted by tho nature of the rock below them. Ou quartz they are shallow and small; on any rock yielding...considerable; the thickness of the bog (for example ill Knocklaid, in the county of Antrim, which is 1,685 feet high) being nearly 12 feet. The summit... | |
 | Andrew Ure - 1853 - 1034 pages
...unceasingly and gently drop by drop. The extent of such bogs is also affected by the nature of the rocks below them. On quartz they are shallow and small ;...lower levels by the total absence of large trees. As turf includes a mass of plants in different stages of decomposition, its aspect and constitution... | |
 | Andrew Ure - 1853 - 1034 pages
...unceasingly and gently drop by drop. The extent of such bogs is also affected by the nature of the rocks below them. On quartz they are shallow and small ; on any rock yielding by its decomposition a cln yey coating they are considerable ; the thickness of the bog (for example in Knocklaid in the county... | |
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... clouds and mists resting on the summits and sides of mountains, amply supply their surface with moisture, which comes, too, in the most favourable form for vegetation, not in a sudden torrent, but unceasingly and gently drop by drop. The extent of... 
