be within your power, you have probably the _entrée_ to some private
collections, clubhouses, theatres, or reading-rooms, and could devote
a few hours to showing him these places. If you are but a clerk in
a bank, remember that only to go over the Bank of England would be
interesting to a foreigner or provincial visitor. In short, etiquette
demands that you shall exert yourself to show kindness to the
stranger, if only out of compliment to the friend who introduced him
to you.

If you invite him to dine with you, it is a better compliment to ask
some others to meet him, than to dine with him _tête-à-tête_. You are
thereby giving him an opportunity of making other acquaintances, and
are assisting your friend in still further promoting the purpose for
which he gave him the introduction to yourself.

Be careful at the same time only to ask such persons as he will feel
are at least his own social equals.

A letter of introduction should be given unsealed, not alone because
your friend may wish to know what you have said of him, but also as
a guarantee of your own good faith. As you should never give such
a letter unless you can speak highly of the bearer, this rule of
etiquette is easy to observe. By requesting your friend to fasten the
envelope before forwarding the letter to its destination, you tacitly
give him permission to inspect its contents.

Let your note paper be of the best quality and the proper size. Albert
or Queen's size is the best for these purposes.

It has been well said that "attention to the punctilios of politeness