“If you mean being tossed overboard, I’ll say it was,” replied Bob, hardly meaning his answer to take that army-slang phraseology. “But it’s lucky we found this bit of wreckage. It will keep us up, without our having to swim, for some time.”

“Oh, yes, that was lucky,” agreed the professor. “But what I meant was it’s too bad I didn’t get that bug when I had the chance. I refer to the one on the sailor. Very rare bug, that. I almost had it when the crash came. I wonder if he’ll be there when we get back?”

“The bug?” asked Bob, unable to restrain a smile.

“Well, the bug and the sailor. Those bugs cling, once they get fastened on a person or object. If that sailor hasn’t been tossed overboard, like ourselves, I may be able to get my specimen after all when we get back.”

“If we do get back,” put in Bob, as he took an easier position on the bit of wreckage and looked about him.

“Get back! Why shouldn’t we get back?” asked Professor Snodgrass. “All we’ve got to do is to cling here until they send a boat for us.”

“Yes, I suppose so,” half agreed Bob. “But if they can’t see to pick us up, and we drift much farther apart, why——”

He did not need to say more. The little scientist looked about and saw the white fog enveloping them. It was answer enough.

“This surely is unfortunate,” went on the little bald-headed man. “I need just that one bug to complete my collection, and if we don’t return soon some one else may get it.”