This Appears To Be
Closely Linked To The Tortoise.
The Lepidosiren Annectens, found
in the White Nile, is a link between the fish and the frog; and
certain varieties of mud fish that remain alive throughout a dry
season in the sun-baked earth, and reappear with the following
rains exhibit a close affinity to reptiles.
On the morning after our arrival, I started to explore the
country with the aggageers, and rode about forty miles, From this
point, hills of basalt and granite commenced, connected by rugged
undulations of white quartz, huge blocks of which were scattered
upon the surface; in many of these I found thin veins of galena.
All the rocks were igneous; we had left the sandstone that had
marked the course of the Atbara and the valley of the Settite as
far as Ombrega, and I was extremely puzzled to account for the
presence of the pure white and rose-coloured limestone that we
had found only in one place--Geera. As we were now among the
hills and mountains, the country was extremely beautiful; at the
farthest point of that day's excursion we were close to the high
range from which, in the rainy season, innumerable torrents pour
into the Settite; some of these gorges were ornamented with the
dark foliage of large tamarind trees, while upon rocks that did
not appear to offer any sustenance, the unsightly yet mighty
baobab* grasped with its gnarled roots the blocks of granite, and
formed a peculiar object in the wild and rugged scenery.
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