1. Newbury , loc. cit. 233 ff., quoted Col. Mircher's information from a Ghadames merchant ca. 1862 who paid 10,000 cowries customs at Agades.
2. De Barros , in Pyrard de Laval, op. cit. II, 384, n.
3. Christaller , ‘Journey to Salaga and Obooso’, Mitteilungen Geog. Gesellschaft zu Bern, 1886.
4. Meredith H. , op. cit. 183.