Note 1 — DESCRIPTION OF A JOURNEY FROM UPPER EGYPT THROUGH THE DESERTS OF NUBIA TO BERBER AND SUAKIN, AND FROM THENCE TO DJIDDA IN ARABIA.
Reading edition
The traders are in the habit of giving to their camels several days before they start, each day three times the usual quantity of Dhourra; which they force down their throats. The camels chew this supply of food for several days after, during the march.