but there was another factor that had not come into play when they marched down to Suez in the darkness - by day the vast expanse of desert, perfectly level in every direction, offered no shelter for those who wished to relieve themselves; and as several of the Surprises, including their captain, were as shamefast and bashful in their actions as they were licentious in their speech, this led to a great loss of time as men hurried off so that distance, often very great distance, should preserve their modesty.