Jules Verne,
Dick Sand: A Captain at Fifteen
“ But if Negoro took part in it, he did not at all mingle in the conversation, in which were discussed the measures demanded by the situation of the shipwrecked. All the time, without appearing to do so, he listened to it, and doubtless profited by what he heard.During this time Dingo, who had not been forgotten, watched outside the grotto. They could be at ease. No living being would show himself on the strand without the faithful animal giving the alarm. ”
