six o'clock
Janet had placed a pen and inkstand beside it . `` I wish , Josie , '' said Mary Louise dolefully , `` you 'd let me help in this search for Alora . '' `` I 'd be glad to , dear , if I could think of a single thing you can do , '' replied her friend . `` Just now I 'm on the most tedious task imaginable -- visiting the army of cab-drivers -- horse and taxi -- here in Chicago and trying to find the one who carried a woman and a girl away from the Blackington at six o'clock that eventful Tuesday morning . '' `` Have you met with any success , at all ? '' asked Mary Louise . `` That question proves you 're not fitted for detective work , '' Josie laughingly asserted .