Identifier: scottishgeograph20scotuoft (find matches)
Title: Scottish geographical magazine
Year: 1885 (1880s)
Authors: Scottish Geographical Society Royal Scottish Geographical Society
Subjects: Geography
Publisher: Edinburgh, Royal Scottish Geographical Society
Contributing Library: Robarts - University of Toronto
Digitizing Sponsor: University of Toronto

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he Gruididh. But the two most striking featuresof Loch Maree are Slioch and Isle Maree. The huge sugar-loaf form ofSlioch is conspicuous from almost every part of the loch, and, thoughone of the smaller islands, Isle Maree, owing to the large number oftrees growing upon it, stands out against the dark background of theheather-covered islands and the cliffs of the north-eastern shore. The great feature of Loch Maree is the large number and great area ofits islands. Professor Penck, in his work on the Lake of Constance, laysgreat stress on the insulosity, i.e. the proportion of the area of the BATHYMETRICAL SURVEY OF FRESH-WATER LOCHS OF SCOTLAND. 629 islands to that of the water surface. This in Loch Maree is 009, orthree times as great as that of the Lake of Cheim (003), and ninetimes as great as that of the Lake of Constance (0-01). Its insulosityis also greater than that of any other large lake in Great Britain, that ofLoch Lomond being O08, though it is surpassed in this respect by
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Is Eng Miles Fig. 1.—Index Map of the Maree district. one of the small lochs in the Assynt district (Loch Crocach), whoseinsulosity is 0091). Many of the islands were joined together when the Lake Surveyvisited the loch, owing to the low level of the water. A few smallrocks and reefs occur out in the channel to the north of the main groupof islands, and removed some considerable distance from the rest.Large numbers of the Lesser Black-Backed Gull (Larus fuscus) breed on 630 SCOTTISH GEOGRAPHICAL MAGAZINE. the larger islands, and two pairs and young of the Greater Black-BackedGull (Lams marinus) were observed on two of the smaller islets. IsleMaree, Eilean Ghruididh, Eilean Subhainn, and Eilean Ruairid Bheaghave been used at one time as fortresses or habitations. The level of Loch Maree was found by the Ordnance Surveyors tobe 321 feet above sea-level on September 15, 1870; on July 16,1902, the surface of the water was 29*5 feet above sea-level. The lochwas surveyed on July 16 to 24,

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