ten
o'clock
` Is that Purvis ? ' asked Toffy , as they approached the house and tethered their horses by the simple expedient of throwing their reins over their heads and letting them trail upon the ground . ` When , in the name of the Prophet , does that fellow sleep ? ' It was barely ten o'clock when they rode back to breakfast , and Purvis must have started on his ride almost at dawn . ` Hallo ! ' said Ross , greeting him with a certain kindliness which a very big man will show to one who is small and weak , even if he has growled at his appearance a moment before . ` Hallo , Purvis , where have you come from , and when do you get any sleep ? '