Page:Africa by Élisée Reclus, Volume 3.djvu/367
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HAUSSA LAND.
307
estimates of ten millions and even twenty millions, according to the descriptions of
Fig. 143, — Sokoto-View Taken in the Interior.

Barth, Rohlfs, and other travellers, the population, excluding the Benue basin, can scarcely be calculated at more than four millions.