222 /?i'v/i'7s^is ivid Book Xoficcs. 



Durham, where cabbages, potatoes, and turnips are grown up 

 to 1, 800 or 2,000 feet. The woodlands are scattered throug'hout 

 the cultivated area, often in the form of parks, and are more 

 massed on the hillsides. They are subdivided into three kinds, 

 Scotch Pine or Larch, Oak, and Oak mixed with Beech. So far 

 north the Beech cannot be regarded as a native, and, of course, 

 the Coniferaj are also planted. The moorland occupies a com- 

 paratively small area towards the western boundary of the map, 

 and is divided into three groups, according to whether Bilberry, 

 Cotton-grass, or Calluna predominates. As most of the re;iders 



Crimsworth Head. Edge of a Cotton-grass Moor, with dark patches of heather 

 on the slopes and grasses near the stream. 



of 'The Naturalist' will be aware, a committee has been 

 appointed bv the Yorkshire Naturalists' Union for the purpose 

 oi extending this kind of survey to other parts of the county. 

 The northern half of the West Riding is finished, and the map, 

 with its accompanying text, is expected, to appear in the June 

 number of the 'Journal of the Royal Geographical Society.' 

 Of course in other parts of the county some other types of 

 station will be represented. In the present area there is no sea- 

 board, neither high cliff, sandhill, or marshy ground intersected 

 bv tidal ditches, and no high ground pastures with a thin la3^er 



\at::ralist. 



