Oscar was quickly made to leave the shore.
He had discarded the diver's suit, but the Japanese soldiers took it along, considering it a great curiosity.
Because of the suit they thought Oscar was one who had planted a mine under the ocean and that the Tien-Tsin had struck upon this and been blown up.
"He is a great capture," said the Japanese commander. "Who knows but what he may be a leading American officer."
As he could not speak English, he could not question the young inventor.
Baracoa had fallen and Japanese and Chinese troops had landed to the number of six thousand.
They expected to be re-enforced by German and French soldiers, and then a land attack was to be made in Florida, the troops marching across Cuba to Havana, and there taking transports to Key West.
In the meantime England and some other nations were sending a large force, upward of a hundred thousand men—to attack the Canadian shore. England wished to reconquer Canada, no matter what the cost.
The Japanese continued to move along the northern coast of Cuba until two o'clock in the afternoon.
By that time it was so hot that the soldiers had to rest, even though the Japanese are the toughest race on the face of the globe.