A ride of seven or eight miles led us to the dry bed of a watercourse
overgrown with bright green rushes, and known to the people as Dubar Wena,
or Great Dubar.
This strip of ground, about half a mile long, collects the
drainage of the hills above it: numerous Las or Pits, in the centre of the
bed, four or five feet deep, abundantly supply the flocks and herds.
Although the surface of the ground, where dry, was white with impure
nitre, the water tasted tolerably sweet. Advancing half a mile over the
southern shoulder of a coarse and shelly mass of limestone, we found the
other rushy swamp, called Dubar Yirr or Little Dubar. A spring of warm and
bitter water flowed from the hill over the surface to a distance of 400 or
500 yards, where it was absorbed by the soil. The temperature of the
sources immediately under the hill was 106° Fahr., the thermometer
standing at 80° in the air, and the aneroid gave an altitude of 728 feet
above the sea.
The rocks behind these springs were covered with ruins of mosques and
houses. We visited a little tower commanding the source; it was built in
steps, the hill being cut away to form the two lower rooms, and the second
story showed three compartments. The material was rubble and the form
resembled Galla buildings; we found, however, fine mortar mixed with
coarse gravel, bits of glass bottles and blue glazed pottery, articles now
unknown to this part of Africa. On the summit of the highest peak our
guides pointed out remains of another fort similar to the old Turkish
watchtowers at Aden.
About three quarters of a mile from the Little Dubar, we found the head of
the Berberah Aqueduct. Thrown across a watercourse apparently of low
level, it is here more substantially built than near the beach, and
probably served as a force pipe until the water found a fall. We traced
the line to a distance of ten yards, where it disappeared beneath the
soil, and saw nothing resembling a supply-tank except an irregularly
shaped natural pool. [21]
A few days afterwards, accompanied by Lieut. Herne, I rode out to inspect
the Biyu Gora or Night-running Water. After advancing about ten miles in a
south-east direction from Berberah, we entered rough and broken ground,
and suddenly came upon a Fiumara about 250 yards broad. The banks were
fringed with Brab and Tamarisk, the Daum palm and green rushes: a clear
sparkling and shallow stream bisected the sandy bed, and smaller branches
wandered over the surface. This river, the main drain of the Ghauts and
Sub-Ghauts, derives its name from the increased volume of the waters
during night: evaporation by day causes the absorption of about a hundred
yards. We found its temperature 73° Fahr. (in the air 78°), and our people
dug holes in the sand instead of drinking from the stream, a proof that
they feared leeches. [22] The taste of the water was bitter and nauseous.
[23]
Following the course of the Biyu Gora through two low parallel ranges of
conglomerate, we entered a narrow gorge, in which lime and sandstone
abound. The dip of the strata is about 45° west, the strike north and
south. Water springs from under every stone, drops copiously from the
shelves of rock, oozes out of the sand, and bubbles up from the mould. The
temperature is exceedingly variable: in some places the water is icy cold,
in others, the thermometer shows 68° Fahr., in others, 101°--the maximum,
when we visited it, being 126°. The colours are equally diverse. Here, the
polished surface of the sandstone is covered with a hoar of salt and
nitre. [24] There, where the stream does not flow, are pools dyed
greenish-black or rust-red by iron sediment. The gorge's sides are a vivid
red: a peculiar creeper hangs from the rocks, and water trickles down its
metallic leaves. The upper cliffs are crowned with tufts of the dragon's-
blood tree.
Leaving our mules with an attendant, we began to climb the rough and rocky
gorge which, as the breadth diminishes, becomes exceedingly picturesque.
In one part, the side of a limestone hill hundreds of feet in height, has
slipped into the chasm, half filling it with gigantic boulders: through
these the noisy stream whirls, now falling in small cascades, then gliding
over slabs of sheet rock: here it cute grooved channels and deep basins
clean and sharp as artificial baths in the sandstone, there it flows
quietly down a bed of pure sparkling sand. The high hills above are of a
tawny yellow: the huge boulders, grisly white, bear upon their summits the
drift wood of the last year's inundation. During the monsoon, when a
furious torrent sweeps down from the Wagar Hills, this chasm must afford a
curiously wild spectacle.
Returning from a toilsome climb, we found some of the Ayyal Ahmed building
near the spot where Biyu Gora is absorbed, the usual small stone tower.
The fact had excited attention at Berberah; the erection was intended to
store grain, but the suspicious savages, the Eesa Musa, and Mikahil, who
hold the land, saw in it an attempt to threaten their liberties. On our
way home we passed through some extensive cemeteries: the tombs were in
good preservation; there was nothing peculiar in their construction, yet
the Somal were positive that they belonged to a race preceding their own.
Near them were some ruins of kilns,--comparatively modern, for bits of
charcoal were mixed with broken pieces of pottery,--and the oblong tracery
of a dwelling-house divided into several compartments: its material was
the sun-dried brick of Central Asia, here a rarity.
After visiting these ruins there was little to detain me at Berberah. The
town had become intolerable, the heat under a mat hut was extreme, the
wind and dust were almost as bad as Aden, and the dirt perhaps even worse.
As usual we had not a moment's privacy, Arabs as well as the Somal
assuming the right of walking in, sitting down, looking hard, chatting
with one another, and departing.
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