sideways up and gave a long slow whistlewhistleof call , then pausedpauseawhile in rapt attentionattention, his even white teeth glistening here and there with gold points .
Following the Reverend Mr. Kronborg along the narrow walk , past the little dark , sleeping houses , the doctor lookedlookup at the flashingflashnight and whistledwhistlesoftly .
I rememberrememberhim lookinglookround the cover and whistlingwhistleto himself as he did so , and then breakingbreakout in that old sea-song that he sang so often afterwards : " Fifteen men on the dead man 's chest -- Yo-ho-ho , and a bottle of rum ! "
He could speak a little Spanish , and also a language which nobody understood , unless it was the mocking-bird that hung on the other side of the door , whistlingwhistlehis fluty notes out upon the breeze with maddening persistence .