294 



Proceedings of the Royal Physical Society. 



Xestolehris depressa, G. 0. Sars. Rather rare. 

 Eiicythere declivis (Norman). Rare. 

 Gytheridea elongata (Brady). Common. 



,, papulosa, Bosquet. Rare. 



Cytherura undata, G. 0. Sars. Rare. 



,, sella, G. 0. Sars. Rare. 



The nearest habitat of the Mollusca no longer present in 

 the Forth (so far as ascertained till the present), according to 

 Dr Gwyn Jeffreys, is for 



Rissoa ahyssicola, . 

 ,, alhella, . 

 , , incoiispicua, 

 , , Zetlandica, 

 Barlecia rubra, 

 Odosiomia elavula, 

 , , conoidea, 



,, plicata, 



, , truncatula 



{Chemnitzia) lactea, 

 ,, Tufa, 



Loripes laeteus, 

 Diplodonta rotundata 

 Panopea fragilis, . 



(?), 



Shetland. 



Shetland. 



Coralline zone everywhere. 



Aberdeenshire. 



Aberdeenshire. 



Hebrides. 



Coralline zone, 25 to 80 fathoms. 



S. W. England. 



Plymouth. 



Aberdeenshire. 



S. W. England. A variety occurs in 



E. Scotland, 30 to 90 fathoms. 

 Buchan. 



Yorkshire (Whitburn). 

 Moray Frith. 



PoRTRUSH, County Antrim. 



The only accumulation that can be placed on line with 

 the deposit just referred to, that I am aware of, is the one 

 discovered but never described by the father of glacial 

 geology, Mr James Smith of Jordanhill, and only briefly 

 referred to in his collected papers (" Newer Pliocene Geo- 

 logy," Glasgow, 1862, pp. 74-84). The fullest lists of the 

 fossils are those contained in General Portlock's " Geology of 

 Londonderry," and in Canon Grainger's notice {Brit. Ass. Adv. 

 Sc. Reports, 1874). Mr John Kelly of the Irish Survey has 

 also examined these beds {Trans. Roy. Irish Academy). 



Under these circumstances, it may be permitted me I 

 hope to place on record as complete a list as possible of the 

 fauna of this raised bed, most of the species recorded by 

 General Portlock having been since verified by myself, and 



