_Mediæval Parchment_ (Vol. vii., p. 155.).--The method of preparing
parchment for illumination will be found in the _Birch and Sloane MSS._,
under "Painting and Drawing," &c., where are a number of curious MS.
instructions on the subject, written chiefly in the sixteenth century, in
English, French, and Italian.
Sir Frederic Madden, in the Introduction to _Illuminated Ornaments_, fol.
1833, and Mr. Ottley, in _Archæologia_, vol. xxiv. art. 1., have both
written very minutely on the subject of illuminating, but their
observations are too long for quotation.