The object of this essay is to outline the connexion between earthmovements and the formation of the River Tyne drainage area; the period of its formation is also alluded to, though it is less definable. This object becomes more accessible on dividing the area into the following parts and considering each separatelyA. The Main Valley of the Tyne.B. The Watersheds South of the Main Valley.C. The Watersheds North of the Main Valley.D. The Earth movements considered stratigraphically.E. The Eelationship to other Drainage Areas.