a quarter past ten
Could n't I come to-night , sir ? '' `` Not to-night , I fear , my dear sir . We have a very important engagement . Let us say to-morrow night , at a quarter past ten -- shall we say that hour ? '' inquired Mr. Gammon , with an imperative smile . `` Well , sir , if not before -- yes -- I 'll be with you . But I _ must _ say '' -- quoth Titmouse , with a sulky disconcerted air .