midnight
I shall appreciate any favor you may show him . `` Sincerely yours , `` PATTY WYATT . '' `` P. S. -- Please excuse this red crayon . I am writing at midnight , by moonlight in the kindergarten room , and the ink 's all locked up . The burglar will explain the circumstances , which are too complicated to write . `` Yours ever , `` P. W. '' She enclosed her note in a large manila envelope that had contained weaving mats , and addressed it to Silas Weatherby , Esq. . The man received it gingerly .