"Is it a riddle, then?" demanded Laddie. "It must be a riddle. Why does Chief Black Bear paint his face, and—and——"

"And take it off with cold cream?" put in Vi. "Why does he?"

"I guess that's the riddle," said her twin. "You answer it, Vi."

But although Vi could ask innumerable questions on all sorts of subjects she seldom was able to answer one—and certainly not this one Laddie propounded.

Next morning while the six little Bunkers were at the big breakfast table in Cowboy Jack's ranch house there again arose a considerable disturbance outside in front of the house. This time the children were pretty well over their meal, and they grew so excited that Mother Bunker allowed them to be excused.

Russ and Rose led the way out upon the veranda. There stood two of the smiling Mexican houseboys—"cholos," Cowboy Jack called them—and they bade the Bunker children a very pleasant good morning. Russ and Rose did not forget their manners, and they replied in kind. But the four smaller children just whooped when they saw what had brought the Mexicans to the front of the big house.

One of the men led two saddled ponies while the other held another fat pony that drew a brightly painted cart with seats in it and a step behind—just the dearest cart! Rose Bunker said.

"Oh, I know I can learn to drive that dear, dear pony!" Rose added. "And there is room for every one of you children with me in the cart."

"Huh!" exclaimed Laddie. "I am going to ride pony-back like Russ does. Which is my pony, Mr. Cowboy Jack?" he asked of the ranchman who had followed them out of the house to enjoy their amazement and delight.

"The one with the shortest stirrups, I guess," Russ said. "This one looks as if I could ride him," and he took the bridle handed him by the Mexican.