inconveniently small for this size of leaf.

[J] 'Ascertained,' scarcely any date ever is, quite satisfactorily. The
diagram only represents what is practically and broadly true. I may have
to modify it greatly in detail.

[K] For fust, log of wood, erroneously 'fer' in the later printed
editions. Compare the account of the works of Art and Nature, towards
the end of the Romance of the Rose.

[L] Of course it would have been impossible to express in any accurate
terms, short enough for the compass of a lecture, the conditions of
opposition between the Heptarchy and the Northmen;--between the
Byzantine and Roman;--and between the Byzantine and Arab, which form
minor, but not less trenchant, divisions of Art-province, for subsequent
delineation. If you can refer to my "Stones of Venice," see Sec. 20 of its
first chapter.

[M] Again much too broad a statement: not to be qualified but by a
length of explanation here impossible. My lectures on Architecture, now
in preparation ("Val d'Arno"), will contain further detail.

[N] At the side of my page, here, I find the following memorandum, which
was expanded in the viva-voce lecture. The reader must make what he can
of it, for I can't expand it here.

_Sense_ of Italian Church plan.

Baptistery, to make Christians in; house, or dome, for them to pray and
be preached to in; bell-tower, to ring all over the town, when they were
either to pray together, rejoice together, or to be warned of danger.

Harvey's picture of the Covenanters, with a shepherd on the outlook, as
a campanile.

[O] And 'chassis,' a window frame, or tracery.

[P] This present lecture does not, as at present published, justify its
title; because I have not thought it necessary to write the viva-voce
portions of it which amplified the 69th paragraph. I will give the
substance of them in better form elsewhere; meantime the part of the
lecture here given may be in its own way useful.

LECTURE III.

THE TECHNICS OF WOOD ENGRAVING.

73. I am to-day to begin to tell you what it is necessary you should
observe respecting methods of manual execution in the two great arts of
engraving. Only to _begin_ to tell you. There need be no end of telling
you such things, if you care to hear them. The theory of art is soon
mastered; but 'dal detto al fatto, v'e gran tratto;' and as I have
several times told you in former lectures, every day shows me more and
more the