38 MOUNTAINS. 



by lead veins, which were worked by the Romans, Nursa Knot, 

 of similar structure, 1274 feet N., and High Crag, 1325 feet, 

 a millstone grit summit, make another little group of hills, 

 worthy of notice, from which the descent is easy to Little Almes 

 Cliff, 837 feet N., and Great Almes Cliff, 716 feet N.; each of 

 which, like Brimham Crags, is capped by huge rocks of mill- 

 stone grit. 



BOLLAND. A small district of moorlands remains to be 

 noticed, which lies on the west side of Ribblesdale, and includes 

 the limestone tract of the Vale of Hodder. The highest points 

 are on the drainage summits of Bollaud Forest which form the 

 County boundary. Wolf Crag, Cross of Greet, Bolland Knots 

 and Burnmoor are conspicuous, but uninteresting. On the 

 northward slope of Bolland Knots, looking toward Ingleborough, 

 many fragments of trees appear rooted below, or lying prostrate 

 in the peat, especially in situations where water might stagnate, 

 at elevations and in aspects where now the utmost art and care 

 fail to raise oaks or pines, or indeed any tall trees. This is one 

 of many examples spread over the British Isles and Northern 

 Europe, for which no satisfactory explanation can be given by 

 climatal variation of merely local character. Similar phseno- 

 mena have been noticed on the east slope of Ingleborough at 

 more than 1300 feet above the sea. 



Passing out of the north-western district we meet no more 

 with elevations exceeding 2000 feet : we lose for the most part 

 the name of Fell ; the high lands are seldom formed into distinct 

 and single mountains ; waterfalls are rare, caves are unknown ; 

 but the dales retain many features of grandeur, and the rivers 

 are always beautiful. Of the higher grounds we shall only 

 name in each district a few of the more remarkable points. 



SOUTH-WESTERN DISTRICT. Rombald'sMoor between Wharf- 

 dale and Airedale, a long range of moorlands formed on mill- 

 stone grit, which in some places exhibits the fantastic forms 

 which suited the Druids, and sometimes are ascribed to their 

 agency. The highest point south of Ilkley is 1322 feet (N.) 



