A marked improvement in residuals was the result of this step, proving, so far, the correctness of Ptolemy's principle, but there still remained discordances amounting to eight minutes of arc.

I shall take the liberty of addingendeavour to get a free and flowing outline; be not too minute either in detail or finishing; use pen or brush for your rough sketch in preference to pencil; you will gain confidence, and correctness will be your aim in your adorned copy.

Correctness of interpretation and classical nicety of style (as Mr. Panizzi observes) were the growths of a later age.