one o’clock
Now and then it stretched and cropped a young leaf from a vine that grew over the wall , and now and then the want wind brought down the fruit blossoms all over the meadow . They fell from the tree where Bertie and Billy lay , and the boys brushed them from their faces . Not very far away was Blue Hill , softly shining ; and crows high up in the air came from it occasionally across here . By one o'clock a change had come in Billy 's room . Oscar during that hour had opened his satchel of philosophy upon his lap and read his notes attentively . Being almost word perfect in many parts of them , he now spent his unexpected leisure in acquiring accurately the language of still further paragraphs . `` The sharp line of demarcation which Descartes drew between consciousness and the material world , '' whispered Oscar with satisfaction , and knew that if Descartes were on the examination paper he could start with this and go on for nearly twenty lines before he would have to use any words of his own .