2587. Meeting an acquaintance among strangers in the street or a coffee-house, never address him by name. It is vulgar and annoying.
2588. It is not considered fashionable to introduce two persons who accidentally meet in your parlor, and who are paying you a morning visit.
2589. Never introduce in the street, unless the third person joins and walks with you. You may make an exception to this rule when the parties are mutually desirous of knowing one another.
2590. When a gentleman is presented to a lady, if she is in her own house and desires to welcome him, she may shake hands with him; but on any other occasion, unless the gentleman is venerable, or the bosom friend of the husband or father, this practice is reprehensible.
2591. A lady is at liberty either to take another lady or a gentleman to pay a morning visit to a friend, without asking permission; but she should never allow a gentleman the same liberty.