LUIFT-STAGES OF TflR DARENT VALLEY. 



131 



at Ivy Cottnge, near Tatsficld, at the level of 780 feet, and the third 

 at Titsey Hill, where the escarpment attains its greatest height- of 

 804 feet (see PI. VI., tig. 3). 



Fig. 2. — Plan of the Halstead and NortJistead promonlories. 



SCALE 



Pig. 3. — Transverse section (1) across the promontories. 

 w. 



Pratt's 

 Northstead- Bottom. 



Stoneh. & 



Br.-F. fields. 



480. 



E. 

 Hewit'a 

 Farm. 

 470 



a. Red Clay-with-flints and a sprinkling of the Southern Drift. 



e. Unstratified Flint-gravel lying in the dry bed of the upper valley of the Cray 

 and its tributaries. The only trace of fossils in tlii.s gravel vras a small 

 fragment of bone found near Pratt's Bottom, but at Green Street Green, 

 two miles lower down the valley, where the gravel acquires much greater 

 thickness, bones of Mammoth, Rhinoceros, Musk Ox, &c. have been dis- 

 covered. 



V. Site of flint implements of the Plateau or Ash type. 



o. Site of implements of the high-level River-valley type. 



2. Chalk. 



Still more recently, Mr. Harrison has found an outlier of the brown- 

 stained-flint drift, together with some scarce rudely-fashioned flints, 

 on the top of Morant's Court Hill, forming the very summit of the 

 e&carpment south of, and ^ mile distant from, Currie Farm. They 

 are scattered on the surface of two fields within the 700-feet contour- 

 line. This ground cannot possibly be connected with any existing 

 line of drainage, as it forms the summit-level of that part of the 

 escarpment. Its position relatively to Currie Farm and Halstead, as 



