She could see Forts Issy and Vanvres. Both were firing heavily, while between the booms of their guns she could hear the reports of others. No flashes came back from Meudon or any of the Prussian positions. Nor, though she held her breath to listen, could she hear the sound of musketry. She struck a match and looked at her watch. It was but one o'clock. She closed her window and wrapping herself up in her dressing-gown sat there for some time looking out. Presently the fire slackened and she crept back into bed, but again rose when the forts re-opened fire. Then feeling that sleep was impossible she lighted a candle and forced herself to read until daylight. She was dressing when the roar again broke out. This time it was away to the left. She threw on her things, put on her bonnet and cloak, and went out of her room just as M. Michaud issued from his.

"You are going out, mademoiselle. So am I. I will walk with you if you will allow me. I think the real thing has begun. The firing last night was only, I fancy, to rouse the Germans and make them pass as bad a night as our men were doing, but I think this is the real thing."

Mary was glad of his escort, it seemed to make it more bearable to have someone to speak to. In a few minutes they reached the spot where she had sat the day before. A crowd were already collected.

"Where is it?" M. Michaud asked, as they joined a group who were gathered near the edge of the plateau.

"It is from the southern forts that they are firing," the man said; "look at the smoke rolling up from them; they are clearing the way for our men. There, do you see that puff of smoke away on the right? That is from a battery up at Creteil, and now the Prussian guns on Montmesly, and all the way round Ville Juif, are answering. The affair is becoming hot. Listen, the Chassepots are at work."

Indeed, between the sounds of the cannon a continuous murmur could be heard. It sounded like a railway train passing over a distant viaduct.

"Is there any place where we can see better from?"

"You would see better from the wall over on that side, but no one is allowed there; half the National Guard are under arms, and have taken the places on the walls of the mobiles, who have gone out."

"It is wretched seeing nothing here," she said, feverishly. "Do you think we could get up to the top of the tower of Notre Dame?"

"It is a long way off," M. Michaud said, "and if people are permitted there you may be sure by this time there is not standing room. Besides, even from there the distance would be too great to make out the movements of the troops."