We might add, which now I'll show you.
"And look! how many Grecian tents [do] stand hollow
Upon this plain so many hollow factions.
When that the general is not as the hive."
'Do' was evidently introduced to eke out the verse. We should perhaps read 'general's' sc. tent.
"Degrees being vizarded,
The unworthiest shows as fairly in the mask."
As what? A line seems to be lost.