midnight
He saw his wife seated alone on the terrace , but remained below , wandering , turning , pausing , lingering . He remained a long time . It grew late and Madame de Mauves disappeared . Toward midnight he dropped upon a bench , tired , with a long vague exhalation of unrest . It was sinking into his spirit that he too did n't understand Madame Clairin 's sister-in-law . Longmore was obliged to wait a week in London for a ship . It was very hot , and he went out one day to Richmond .