appear to a living man and call him, after which he is certain to die. This belief had, we found, influenced our own people to such an extent that even intelligent well-educated men from the coast were afraid to move about at night. Several people came to me with stories of having been called or attacked by an invisible being; and one case in especial I remember, of a soldier who came with his sergeant, Albert Frees.

This man declared that, towards evening, while sitting with three or four people round a fire, a “ thing “ which he could not see had come up behind him and had smacked his face and boxed his ears. He wanted to know if I could catch the spirit for him, for if I could not, he said, he would surely die. I tried to laugh him out of his belief, expecting to be supported by the sergeant, but he