ocr: After a longish while of trudging, we caught up with Arab, who had stopped again on a - narrow path, and was squatting in the sodden grass. There's a fairly recent dropping here, he said, holding upa a: soft, dark mottled bead for our inspection. 'It'sgot that white on it which is uric acid, and it hasn't been washed off by the rain or dried out by the sun.
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