Africa, you may start to-morrow, and take your new rifle with you."
"The rifle part would be all right, dad, but if I went I'd want to take an airship along, and it will take me some little time to finish the Black Hawk as I have named my new craft."
"Well, there's no special hurry, is there?" asked Mr. Swift. "The elephants in Africa are likely to stay there for some time. If you want to go, why don't you get right to work on the Black Hawk and make the trip? I'd like to go myself."
"I wish you would, dad," exclaimed Tom eagerly.
"No, son, I couldn't think of it. I want to stay here and get well. Then I am going to resume work on my wireless motor. Perhaps I'll have it finished when you come back from Africa with an airship load of elephants' tusks."
"Perhaps," admitted the young inventor. "Well, dad, I'll think of it. But now I'm going after my rifle, and"
Tom was interrupted by a ring of the front-door bell, and Mrs. Baggert, the housekeeper, who was almost like a mother to the youth, went to answer it.
"It's Ned Newton, I guess," murmured Tom, and, a little later, his chum entered the room.
