140 IV. PHYSICAL GEOCtEAPHY. 



passing over the ridge of Dartmoor, and joining tlie 

 Western Canal at Tiverton. — South and North Somerset 

 are separated by a line along tlie river Parret, from 

 Bridgewater to Ilcliester ; and thence curving round to 

 the northern extremity of Dorset. — South and North Wilts 

 are separated by a line drawn along the Kennet and Avon 

 Canal. — South and North Hants are separated hj a line 

 traced along the high roads from Winchester westward to 

 Stockbridge, eastward to Petersfield ; and continued 

 thence to the borders of Wilts and Sussex. — West and 

 East Sussex are separated b}'^ a line traced along the high 

 road from Brighton to Cuckfield ; and thence through 

 Crawley to the border of Surrey. — East and West Kent 

 are separated by the river Medway and its tributaries, 

 nearly up to Staplehurst ; and thence by the high road 

 through Cranbrooke to the border of Sussex, near Hawks- 

 hurst. — South and North Essex are separated by the high 

 road from Waltham and Epping to Chelmsford, and 

 thence by the Blackwater river to the coast. — East and 

 West Suffolk, and East and West Norfolk, are separated 

 by the mathematical line of one east longitude from 

 Greenwich ; a line that may always be traced on a map, 

 but inconvenient from not being a visible mark on the 

 ground. — East and West Glmtcester are separated by the 

 Thames and Severn Canal, and by the river Severn from 

 the point of conjunction up to Tewkesbury. — South 

 and North Lincoln are separated by the Witham, from 

 Boston to Lincoln ; and thence by the Foss Dyke to 

 the border of Nottingham. — South and West Lancaster 

 are separated by the river Eibble. (That more northerly 

 portion of Lancashire, which is situate to the north- 

 west of the Bay of Morecombe, is taken with the 

 Lake Province, and reckoned as a part of Westmoreland). 

 — The great county of York is first divided into the two 



