FOSSILS OF TEE FRESH-WATER BEDS. 177 



but was not acquainted with its precise locality. 

 The Paludina is new. 



The same Paludina occurs in great numbers 

 in similar fresh-water marls between Tremeely 

 and Cibyra, and in the beds bordering the 

 Cibyratic plain, which therefore may be regarded 

 as synchronic with those of the basin of the 

 Xanthus. The country in which these beds 

 occur, is elevated three thousand five hundred 

 feet above the level of the sea, and is cut off from 

 the valley of the Xanthus by the high ridges of 

 the Lycian Taurus. Up the mountain ravines, 

 on the north side, the fresh-water beds ramify. 

 In the marls of these ravines, shells of Unto, and 

 Planorbis, and traces of Melania and Cylas^ occur 

 but imperfect ; also many impressions of plants. 

 The associated conglomerates are formed of peb- 

 bles of scaglia and of serpentine, intermingled. 

 The stratification of the tertiaries, of both the 



VOL. II. n 



a, Limneus Adelina. 



b, Paludina Cibyratica. 



