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See also:ABYSSINIA (officially See also:ETHIOPIA) , an 'inland' See also:country and See also:empire of N.E. See also:Africa lying, chiefly, between 5 0 and 15° N. and 35° and 42° E. It is bounded N. by See also:Eritrea (See also:Italian) W. ABYSSINIA See also:English See also:Miles See also:ion 50 Kilometres it ~ See also:oar en/ .~ .~. ~ J.ouq -a, : o See also:Rudolf ILugh tit BRITISHg/.E AF FICA . ,,, Bu l /. Rnlra. • :j.KuffEAr ST le See also:Longitude Last 40° of Ureenocic!4 as-h as ar Sennar° (.1 AK/LN., A,, S rttp .,j See also:Im 24' / IIC ~' ~~_ yf ' o ~~e by the Anglo-See also:Egyptian See also:Sudan, S. by See also:British See also:East Africa, S.E. and E. by the British, Italian and See also:French possessions in Somali-See also:land and on the Red See also:Sea. The See also:coast lands held by See also:European See also:powers, which cut off Abyssinia from See also:access to the sea, vary in width from 40 to 250 miles. The country approaches nearest to the ocean on its N.E. border, where the frontier is See also:drawn about 40 M. from the coast of the Red Sea. Abyssinia is narrowest in the See also:north, being here 230 M. across from east to See also:west. It broadens out southward to a width of goo m. along the See also:line of 90 N., and resembles in shape a triangle with its See also:apex to the north. It is divided into Abyssinia proper (i.e. See also:Tigre, See also:Amhara, Gojam, &c.), See also:Shoa, See also:Kaffa and Galla land—all these See also:form a See also:geographical unit—and central See also:Somaliland with See also:Harrar. To the S.W. Abyssinia also includes See also:part of the See also:low country of the See also:Sobat tributary of the See also:Nile. The See also:area of the whole See also:state is about 350,000 sq. m., of which Abyssinian Somaliland covers fully a third. (I) See also:Physical Features.-- Between the valley of the Upper Nile and the low lands which skirt the See also:south-western shores of the Red Sea and the Gulf of See also:Aden is a region of elevated plateaus from which rise various See also:mountain ranges. These tablelands and mountains constitute Abyssinia, Shoa, Kaffa and Galla land. On nearly every See also:side the walls of the plateaus rise with considerable abruptness from the plains, constituting See also:outer mountain chains. The Abyssinian See also:highlands are thus a clearly marked orographic See also:division. From See also:Ras Kasar (1'8° N.) to Annesley See also:Bay (05° N.) the eastern See also:wall of the See also:plateau runs parallel to the Red Sea. It then turns due S. and follows closely the line of 400 E. for some 400 M. About 90 N. there is a break in the wally through which the See also:river Hawash flows eastward. The See also:main range at this point trends S.W., while south of the Hawash valley, which is some 3000 ft. below the level of the mountains, another See also:massif rises in a See also:direct line South. This second range sends a See also:chain (the Harrar hills) eastward to the Gulf of Aden. The two See also:chief eastern ranges maintain a parallel course S. by W., with a broad upland valley between—in which valley are a See also:series of lakes—to about 3° N., the outer (eastern) spurs of the plateau still keeping along the line of 40° E. The See also:southern escarpment of the plateau is highly irregular, but has a See also:general direction N.W. and S.E. from 6° N. to 30 N. It overlooks the depression in which is See also:Lake Rudolf and—east of that lake—southern Somaliland. The western wall of the plateau from 6° N. to 11° N. is well marked and precipitous. North of II° N. the hills turn more to the east and fall more gradually to the plains at their See also:base. On its See also:northern See also:face also the plateau falls in terraces to the level of the eastern Sudam The eastern escarpment is the best defined of these outer ranges. It has a mean height of from 7000 to 8000 ft., and in many places rises almost perpendicularly from the See also:plain. Narrow and deep clefts, through which descend mountain torrents to lose themselves in the sandy See also:soil of the coast land, afford means of reaching the plateau, or the easier route through the Hawash valley may be chosen. On surmounting this rocky barrier the traveller finds that the encircling rampart rises little above the normal level of the plateau. (2) The aspect of the highlands is most impressive. The northern portion, lying mainly between Io° and 15° N., consists of a huge See also:mass of Archaean rocks with a mean height of from 7000 to 7500 ft. above the sea, and is flooded in a deep central depression by the See also:waters of Lake See also:Tsana. Above the plateau rise several irregular and generally See also:ill-defined mountain ranges which attain altitudes of from 12,000 to over 15,0oo ft. Many of the mountains are of weird and fantastic shape. Characteristic of the country are the enormous fissures which See also:divide it, formed in the course of ages by the erosive See also:action of See also:water. They are in fact the valleys of the See also:rivers which, rising on the uplands or mountain sides, have cut their way to the surrounding low-lands. Some of the valleys are of considerable width; in other cases the opposite walls of the See also:gorges are but two or three See also:hundred yards apart, and fall almost vertically thousands of feet, representing an erosion of hard See also:rock of many millions of cubic feet. One result of the action of the water has been the formation of numerous isolated See also:flat-topped hills or small plateaus, known as ambas, with nearly perpendicular sides. The highest peaks are found in the Simen (or Semien) and Gojam ranges. The Simen Mountains See also:lie N.E. of Lake Tsana and culminate in the See also:snow-covered See also:peak of Daschan (Dajan), which has an See also:altitude of 15,16o ft. A few miles east and north respectively of Dajan are Mounts Bivat and Abba Jared, whose summits are a few feet only below that of Dajan. In the Chok Mountains in Gojam Agsias Fatra attains a height of 13,600 ft. Parallel with the eastern escarpment are the heights of Baila (12,500 ft.), Abuna Josef (13,780 ft.), and Kollo (14,100 ft.), the last-named being S.W. of See also:Magdala. The valley between these hills and the eastern escarpment is one of the longest and most profound chasms in Abyssinia. Between Lake Tsana and the eastern hills are Mounts See also:Guna (13,800 ft.) and Uara Sahia (13,000 ft.). The figures given are, however, approximate only. The southern portion of the highlands—the Io° N. roughly marks the division between north and south—has more open tableland than the northern portion and fewer lofty peaks. Though there are a few heights between 20,000 and 12,000 ft., the See also:majority do not exceed 8000 ft. But the general See also:character of the southern regions is the same as in the north—a much-broken hilly plateau. Most of the Abyssinian uplands have a decided slope to the north-west, so that nearly all the large rivers find their way in that direction to the Nile. Such are the Takazze in the north, the Abai in the centre, and the Sobat in the south, and through these three See also:arteries is discharged about four-fifths of the entire drainage. The See also:rest is carried off, almost due north by the Khor Baraka, which occasionally reaches the Red Sea south of See also:Suakin; by the Hawash, which runs out in the saline lacustrine See also:district near the See also:head of Tajura Bay; by the Webi Shebeli (Wabi-Shebeyli) and See also:Juba, which flow S.F. through Somaliland, thoughthe Shebeli fails to reach the See also:Indian Ocean; and by the Omo, the main feeder of the closed See also:basin of Lake Rudolf. The Takazze, which is the true upper course of the See also:Atbara, has its head-waters in the central tableland; and falls from about 7000 to 2500 ft. in the tremendous See also:crevasse through which it sweeps See also:round west, north and west again down to the western terraces, where it passes from Abyssinian to Sudan territory. During the rains the Takazze (i.e. the " Terrible ") rises some 18 ft. above its normal level, and at this See also:time forms an impassable barrier between the northern and central provinces. In its See also:lower course the river is known by the Arab name Setit. The Setit is joined (r4° lo' N., 36° E.) by the Atbara, a river formed by several streams which rise in the mountains W. and N.W. of Lake Tsana. The Gash or Mareb is the most northerly of the Abyssinian rivers which flow towards the Nile valley. Its head-waters rise on the landward side of the eastern escarpment within 5o miles of Annesley Bay on the Red Sea. It reaches the Sudan plains near See also:Kassala, beyond which See also:place its waters are dissipated in the sandy soil. The Mareb is dry for a See also:great part of the See also:year, but like the Takazze is subject to sudden freshets during the rains. Only the See also:left See also:bank of the upper course of the river is in Abyssinian territory, the Mareb here forming the boundary between Eritrea and Abyssinia. (3) The Abai—that is, the upper course of the See also:Blue Nile—has its source near See also:Mount Denguiza in the Gojam highlands (about 11° N. and 37° E.), and first flows for 70 M. nearly due north to the south side of Lake Tsana. Tsana (q.v.), which stands from 2500 to 3000 ft. below the normal level of the plateau, has somewhat the aspect of a flooded See also:crater. It has an area of about Iroo sq. m., and a See also:depth in some parts of 250 ft. At the south-east corner the rim of the crater is, as it were, breached by a deep crevasse through which the Abai escapes, and here develops a great semicircular See also:bend like that of the Takazze, but in the See also:reverse direction—east, south and north-west—down to the plains of See also:Sennar, where it takes the name of See also:Bahr-el-Azrak or Blue Nile. The Abai has many tributaries. Of these the Bashilo rises near Magdala and drains eastern Amhara; the Jamma rises near See also:Ankober and drains northern Shoa; the Muger rises near Adis Ababa and drains south-western Shoa; the Didessa, the largest of the Abai's affluents, rises in the Kaffa hills and has a generally S. to N. course; the Yabus runs near the western edge of the plateau escarpment. All these are perennial rivers. The right-See also:hand tributaries, rising mostly on the western sides of the plateau, have steep slopes and are generally torrential in character. The Bolassa, however, is perennial, and the Rahad and Dinder are important rivers in See also:flood-time. In the mountains and plateaus of Kaffa and Galla in the south-west of Abyssinia rise the Baro, See also:Gelo, Akobo and other of the chief affluents of the Sobat tributary of the Nile. The Akobo, in about 70 50' N. and 33° E., joins the Pibor, which in about 82° N. and 330 20' E. unites with the Baro, the river below the confluence taking the name of Sobat. These rivers descend from the mountains in great falls, and like the other Abyssinian streams are unnavigable in their upper courses. The Baro on reaching the plain becomes, however, a navigable stream affording an open waterway to the Nile. Additional information and CommentsThere are no comments yet for this article.
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