There are plenty of filthy books sold outside of Holywell-street, differing from many Holywell-street books, too, as having indecent insides as well as covers.

He did this because he was thinking of providing lines to dictate during a repetitorium.

It was afternoon […] which meant that all the ample, high, soft-blue leather desks along the spokes of the great wheel that radiated from the Superintendent’s desk, ensphered by the Catalogue, were taken, and he had to be content with one of the minimal flat triangular ends of the late-come segments inserted between the spokes.

There are various representations of it, gravely figured in native works on reptilology.