It was a troublesome letter to get written.  Lady Monogram was her junior in age and had once been lower than herself in social position.  In the early days of their friendship she had sometimes domineered over Julia Triplex, and had been entreated by Julia, in reference to balls here and routes there.  The great Monogram marriage had been accomplished very suddenly, and had taken place,—­exalting Julia very high,—­just as Georgiana was beginning to allow her aspirations to descend.  It was in that very season that she moved her castle in the air from the Upper to the Lower House.  And now she was absolutely begging for notice, and praying that she might not be cut!  She sent her letter by post and on the following day received a reply, which was left by a footman...