The children set out, the elder leading the younger, and holding in his hand the paper which was to guide them. It was cold, and his benumbed little fingers could not close very firmly, and they did not keep a very good hold on the paper. At the corner of the Rue Clocheperce, a gust of wind tore it from him, and as night was falling, the child was not able to find it again.

They began to wander aimlessly through the streets.

In Which Little Gavroche Extracts Profit from Napoleon the Great