overland from one pool or stream to another. How far he treks in this way I do not know, and the question is much disputed. I am certain that it is sometimes as much as fifty miles.
While I have found but little enjoyment in shooting any kind of animal, I confess that in hunting elephants and lions under certain conditions I have always felt that the animal had sufficient chance in the game to make it something like a sporting proposition. On the other hand, much of the shooting that I have had to do in order to obtain specimens for museum collections has had none of this aspect at all and has made me feel a great deal like a murderer. One of the worst of my experiences was with the wild ass of Somaliland on my first trip to Africa. These animals are rare, and as they are the only members of the horse family in that part of Africa, the Field Museum of Natural History was anxious to get specimens of them.
After several heart-breaking days' work my companion, Dodson, and I had secured but one specimen and several were needed for a group. One day under guidance of natives who promised to take us to a country where they abounded, we started out at three o'clock in the morning, with a couple of camels to bring back the skins if we got them. At about eight, as we were crossing a sandy plain where here and there a dwarfed shrub or tuft of grass had managed to find sustenance, one of the gun-bearers pointed out in the distance an object which he de-
