with any obstruction, it spreads itself into 

 a lake or meer proportionate to the mag- 

 nitude of the obstruction: and thus we 

 often see in the most picturesque coun- 

 tries a series of pools connected by chan- 

 nels of the rivers which supply them. 

 From certain points of view these pools, 

 though on different levels, will take the 

 appearance of one continued lake or river, 

 only broken by islands or promontories, 

 covered with brushwood: and from hence 

 Avas taken Mr. Brown's frequent attempt 

 of uniting two pools, which could not be 

 brought together in reality, but which 

 become apparently united by an eifect 

 of perspective, not always attended to in 

 gardening. 

 Perspective, PcFspective, in painting, is known to 

 Linear. ^^ ^^ ^^^^ kiuds; the first is called linear 

 perspective, and is that by which objects 

 appear to diminish in proportion to the 

 distance at which they are viewed: this 

 has indeed been already mentioned, in 

 referring to the use of cattle as a scale of 

 measurement; a horse, a cow, or a sheep, 

 is very nearly of the same size, and with 



