DEFINITE ARTICLE • DICCIONARIO INGLES.COM • Definition of Definite article

... Do you remember when Bailie Nicol Jarvie points out the Forth to Francis? "Yon's Forth," he said with great solemnity. That was well observed by Scott. In Italy—notably in Tuscany—a river is always spoken of without the definite article. It may be the case in Devonshire too; but it is never done here in South Wilts though we have five beautiful streams ministering to our county town. Indeed Wiltshire people are nearly as bad as the Cockneys, who always call their Thames ...

— In a Green Shade - A Country Commentary • Maurice Hewlett