|  | page 24 brooks spend their fury, finding a free course toward and  
also down the channel of the main stream of the vale before  
those that have to pass through the higher tarns and lakes  
have filled their various basins, a gradual distribution is  
effected; and the waters thus reserved, instead of uniting,  
to spread ravage and deformity, with those which meet with  
no such detention, contribute to support, for a length of  
time, the vigour of many streams without a fresh fall of  
rain. Tarns are found in some of the vales, and are numerous 
upon the mountains. A Tarn, in a Vale, implies, for  
the most part, that the bed of the vale is not happily  
formed; that the water of the brooks can neither wholly  
escape, nor diffuse itself over a large area. Accordingly,  
in such situations, Tarns are often surrounded by an  
unsightly tract of boggy ground; but this is not always the  
case, and in the cultivated parts of the country, when the  
shores of the Tarn are determined, it differs only from the  
Lake in being smaller, and in belonging mostly to a smaller  
valley, or circular recess. Of this class of miniature  
lakes, Loughrigg Tarn, near Grasmere, is the most beautiful  
example. It has a margin of green firm meadow, of rocks, and 
rocky woods, a few reeds here, a little company of  
water-lilies there, with beds of gravel or stone beyond; a  
tiny stream issuing neither briskly nor sluggishly out of  
it; but its feeding rills, from the shortness of their  
course, so small as to be scarcely visible. Five
 
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