about three
o'clock
Since the original letter Barbara had never been able to write them again . What could she say , except that no word of any kind had since been received from Mildred ? There would be small consolation in this news , and of course Barbara wrote Dick every few days . One afternoon Barbara and Nona left the Countess ' house at about three o'clock and drove down the entire length of the Nevski Prospect toward the Winter Palace of the Czar . There were scudding gray clouds overhead and a light snow falling . No one could have failed to be interested . The Russian streets are ordinarily paved with sharp-edged stones , but the ice made them smooth as glass .