Salmon, William: Polygraphice; Or, The Art of Drawing, Engraving, Etching, Limning, Painting, Washing, Varnishing, Colouring and Dying: In Three Books ... (London, 1672)

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mingled with white,, and shadowed with
blew verditure, in the shadows indisfe-
rent thick.
III. Let the high-ways be done with
red and white lead, and for variety yel-
low oker 5 ihadow it with burnt umber,
which you may ule for landy rocks and
hills.
IV. Rocks may be done with severai
colours,in some places black and white,
in other places with red and white, and
mothers with blew and white, and the
like, as you lee convenient.
V-.The water must be black verditer and
white, shadowed with green and blew
verditure : when the bankj cast a green
ssiadow upon the water, and the water
is dark shadowed, then (hade it with
green thickned and blew ver-
diture.
VI. Colour buildings with as much
variety of pleafant colours as may be
imaginable, yet let reasbn be your rule
in mixing your colours : you may fome-
times use white and black for the wall^
conduits or other things: for Brickzhoufes
P 2 and