76 WITH THE CAMEL CORPS UP THE NILE.

miles for every sixty minutes on the go. This measurement, I found, answered wonderfully well, for on arrival at Gakdul I was within two miles of the distance given on Fowler's map. A camel kindly paces exactly one yard, though you would have thought his long legs would cover much more. In going faster or slower than his ordinary pace, he only increases or diminishes the number of paces per minute, and not the length of his stride, which is also very obliging of him. In fact, every camel is an accurate walking pedometer, and a first-rate animal for surveying the country from. Potiphar was no exception ; the only thing that annoyed me was that he never would stand still to let me get an exact bearing; just as the needle of the compass was getting steady, round he whisked, and so did the needle. I believe he did it on purpose.

I must not forget to mention here the smallest, but by no means the least important member of the expedition, namely Jacky. Jacky was a little dog of unknown breed, something between a King