Water-rolled bits of brickstone also appeared; and hence, probably, Dr.
Oscar Lenz [Footnote: _Geolog. Karte von West-Africa_. Gotha, Justus
Perthes, 1882.] makes Axim and the neighbourhood consist of _rother
Sandstein_ upon laterite.
Bobowusua is a cabinet of natural history. The northern flank is ever wet
with dew and spray; the southern shows a little dry earth and sand. The
latter in this and in other parts of the islet is a medley of comminuted
shells. We collected cowries of four kinds, large and small, crabs and
balani, lobsters and sea-urchins (_erinacei_) with short spines;
diminutive rock-oysters and a large variety with iridescent
mother-o'-pearl, pink, red and yellow. The latter yields a white
seed-pearl, and here, perhaps, we might attempt to develope it into
That great round glory of pellucid stuff,
A fish secreted round a grain of grit.
A single snake-slough and an eight-ribbed turtle were found. The short,
sandy neck of the eastern knob is a playground for 'parson-crows' and
scavengers (turkey-buzzards); hawks, kites, and fish-eagles, white and
black, while the adjacent reefs are frequented by gulls, terns, and small
cranes.
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