Part 70 (2/2)

[214] I shall not henceforward _number_ the exercises recommended; as they are distinguished only by increasing difficulty of subject, not by difference of method.

[215] If you understand the principle of the stereoscope you will know why; if not, it does not matter; trust me for the truth of the statement, as I cannot explain the principle without diagrams and much loss of time.

[216] If you can, get first the plates marked with a star. The letters mean as follows:--

_a_ stands for architecture, including distant grouping of towns, cottages, &c.

_c_ clouds, including mist and aerial effects.

_f_ foliage.

_g_ ground, including low hills, when not rocky.

_l_ effects of light.

_m_ mountains, or bold rocky ground.

_p_ power of general arrangement and effect.

_q_ quiet water.

_r_ running or rough water; or rivers, even if calm, when their line of flow is beautifully marked.

_From the England Series._

_a c f r._ Arundel.

_a f l._ Ashby de la Zouche.

_a l q r._ Barnard Castle.*

_f m r._ Bolton Abbey.

_f g r._ Buckfastleigh.*

_a l p._ Caernarvon.

_c l q._ Castle Upnor.

_a f l._ Colchester.

_l q._ Cowes.

_c f p._ Dartmouth Cove.

_c l q._ Flint Castle.*

_a f g l._ Knaresborough.*

_m r._ High Force of Tees.*

_a f q._ Trematon.

_a f p._ Lancaster.

_c l m r._ Lancaster Sands.*

_a g f._ Launceston.

_c f l r._ Leicester Abbey.

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