Cti. XIX.] CLIFFS OF CHALK IN NORMANDY. 



Fig, 315. 



269 



Side view of the Tete d'Homme. White chalk with flints. 



nacles ; and one of them, in particular, is so completely detached as to 

 present a perpendicular face 50 feet high towards the sloping down. On 

 these cliffs several ledges are seen, which mark so many levels at which 

 the waves of the sea may be supposed to have encroached for a long 

 period. At a still greater height, immediately above the top of this 

 range, are three much smaller cliffs, each about 4 feet high, with as 

 many intervening terraces, which are continued so as to sweep in a semi- 

 circular form round an adjoining coomb, like those in Sicily before de- 

 scribed (p. 76). 



If we then descend the river from Vatteville to a place called Senne- 

 ville, we meet with a singular needle about 50 feet high, perfectly iso- 

 lated on the escarpment of chalk on the right bank of the Seine (see fig. 

 248). Another conspicuous range of inland cliffs is situated about 12 



Fig. 316. Fig. 317. 



Chalk pinnacle at Senneville. 



Eoches d'Orival, Elboeuf. 



miles below on the left bank of the Seine, beginning at Elboeuf, and 

 comiDrehending the Roches d'Orival (see fig. 317). Like those before 

 described, it has an irregular surface, often overhanging, and with beds 



