mr. parker ignored the question. he was sitting in the same attitude of watchfulness, the revolver resting on his knee. he seemed mistrustful of john's right hand, which was hanging limply at his side. it was from this quarter that he appeared to expect attack. the cab was bowling easily up the broad street, past rows and rows of high houses each looking exactly the same as the last. occasionally, to the right, through a break in the line of buildings, a glimpse of the river could be seen.