At every window, and in every doorway, throughout the vast city, invisible heads and forms were crowded, making their presence known by their voices—distracted householders striving to peer through the strange darkness, and to find out the cause of these terrifying phenomena.

Some managed to get a faint glimpse of their watches by holding them close against lamps, and thus noted the time. It was two o'clock in the morning.

Neighbors, unseen, called to one another, but got little comfort from the replies.

"What is it? In God's name, what has happened?"

"I don't know. I can hardly breathe."

"It is awful! We shall all be suffocated."

"Is it a fire?"

"No! No! It cannot be a fire."

"The air is full of steam. The stones and the window-panes are streaming with moisture."

"Great Heavens, how stifling it is!"