Note 73 — Chapter XXXVI · MY RECEPTION IN YÓLA.—SHORT STAY.—DISMISSAL.
Reading edition
Mr. Vogel, who has succeeded in obtaining a sight of this animal, found that it is a Mammal like the Manatus Senegalensis. The South African rivers also have these Mammals, and the ayú is not less frequent in the Ísu near Timbúktu than it is in the Bénuwé.