MARINE TERTIARIES OF ARSA. 1 75 



angle, and dipped to the west. The fossils, 

 which a hasty search enabled us to collect, 

 proved identical with species found at Saaret 

 and Gendever. 



Diagram representing a section of the Valley of the Xanthus, — a,a, the 

 scaglia ; £>, green sandstones or rnacigno ; c, marine tertiary terraces near 

 Arsa ; d, fresh- water tertiary marls capped by conglomerate. 



The fresh-water tertiaries of Lycia are much 

 more extensive, and form an important feature 

 in the aspect of many parts of the country. 

 They are greatly developed in the valley of the 

 Xanthus, in the valley of Kassabar, in that of 

 Arycanda, and in the great Cibyratic plain, and 

 the neighbouring ravines of the Lycian Taurus. 

 There are also traces of their presence in other 

 valleys and plains, both those of the low country, 

 and those which form the yailahs or mountain 

 valleys. 



In the valley of the Xanthus the fresh-water 

 tertiary is of great extent, and consists of beds 

 of white marl, layers of yellowish limestone, 

 pisolite and conglomerates. In many places, as 



