2596. Visits of condolence require a grave style of dress.
2597. A formal visit should never be made before noon. If a second visitor is announced, it will be proper for you to retire, unless you are very intimate, both with the host and the visitor announced; unless, indeed, the host expresses a wish for you to remain.
2598. Visits after balls or parties should be made within a month.
2599. In the latter, it is customary to enclose your card in an envelope, bearing the address outside. This may be sent by post, if you reside at a distance. But, in the neighborhood, it is polite to send your servant, or to call. In the latter case, a corner should be turned down.
2600. Scrape your shoes and use the mat.