Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" cover

Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary"

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Transcriber's note: A few typographical errors have been corrected: they are listed at the end of the text. Volume and page numbers have been incorporated into the text of each page as: v.04 p.0001.In the article CALCITE, negative Miller Indices, e.g. "1 bar" in the original are shown as " 1".In the article CALCULATING MACHINES, [Integral,a:b] indicates a definite integral between lower limit a and upper limit b. [Integral] by itself indicates an indefinite integral. [=x] and [=y] represent x bar and y bar in the original.[v.04 p.0773]BULGARIA ( continued from part 3 )... the mean interval being 60 m.; the summits are, as a rule, rounded, and the slopes gentle. The culminating points are in the centre of the range: Yumrukchál (7835 ft.), Maragudúk (7808 ft.), and Kadimlía (7464 ft.). The Balkans are known to the people of the country as the Stara Planina or "Old Mountain," the adjective denoting their greater size as compared with that of the adjacent ranges: "Balkán" is not a distinctive term, being applied by the Bulgarians, as well as the Turks, to all mountains. Closely parallel, on the south, are the minor ranges of the Sredna Gora or "Middle Mountains" (highest summit 5167 ft.) and the Karaja Dagh, enclosing respectively the sheltered valleys of Karlovo and Kazanlyk. At its eastern extremity the Balkan chain divides into three ridges, the central terminating in the Black Sea at Cape Eminé ("Haemus"), the northern forming the watershed between the tributaries of the Danube and the rivers falling directly into the Black Sea. The Rhodope, or southern group, is altogether distinct from the Balkans, with which, however, it is connected by the Malka Planina and the Ikhtiman hills, respectively west and east of Sofia; it may be regarded as a continuation of the great Alpine system which traverses the Peninsula from the Dinaric Alps and the Shar Planina on the west to the Shabkhana Dagh near the Aegean coast; its sharper outlines and pine clad steeps reproduce the scenery of the Alps rather than that of the Balkans...