eleven o'clock
. Mr. Gianapolis was present to speak to me . He met me very agreeably in the matter of occupying my old room in the delightful Chinese hotel of Mr. Ho-Pin . Therefore '' -- he swept his left hand around forensically , as if to include the whole of the company -- `` to-morrow night at eleven o'clock I shall be meeting Mr. Gianapolis at Piccadilly Circus , and later we shall join the limousine and be driven to the establishment of Ho-Pin . '' He turned to Inspector Dunbar . `` Your arrangements for watching all the approaches to the suspected area are no doubt complete ? '' `` Not a stray cat , '' said Dunbar with emphasis , `` can approach Limehouse Causeway or Pennyfields , or any of the environs of the place , to-morrow night after ten o'clock , without the fact being reported to me !