30 Stewart — List of Estuarine Clay Fossils. 



Rissoa membranacea, Rissoa labiosa, F. & H. Profusely abundant, and 



of large size. 

 Rissoa violacea, Rissoa rufilabrnm, F. & H. Not uncommon. 

 Rissoa striata. Larne Lough, in profusion. 

 Rissoa vitrea. In the Belfast deposit, rare. 

 Hydrobia ulvje, Rissoa uIvce, F. & H. Frequent in the Estuarine Clays 



of Belfast, Larne, and Strangford Loughs. 



Homalogyra atomus, Skenea nitidissima, F. & H. Abundant in the clay 

 at Magheramorne. 



Homalogyra rota, Skenea rota, F. & H. With the last species, but 

 rare. 



Caecum glabrum. Larne Lough, rare. 



Turitella terebra, Turitella communis, F. & H. Plentiful, "and very 

 large. 



Scalaria Turton^e, 'scalaria Turtonis, F. & H. Plentiful in the Belfast 

 bed. 



Aclis supranitida. Belfast bed, very rare. 



Odostomia minima. This rare little univalve is for the first time recorded 

 as an Irish Shell. One specimen only occurred to me. 



Odostomia pallida, Odostomia eulimoides, F. & H. Mr. Grainger re- 

 corded this shell from the Belfast deposit. I have found it at Maghera- 

 morne, where it is rather scarce. 



Odostomia acuta. Belfast and Larne beds, rare. 

 Odostomia indistincta, Chcmnitzia indistincta, F. & H. Rare. 

 Odostomia interstincta. Very rare. 



Odostomia lactea, Chcmnitzia clegantissima, F. & H. Belfast and Larne 

 beds, not uncommon. 



Eulima bilineata. One specimen found by Mr. Grainger, and recorded as 

 E. subulata. Dr. Grainger is now satisfied that the name I have adopted 

 is right. 



Natica catena, Natica monilifera, F. & H. Very scarce. 



Natica Alderi, Natica nitida, F. & H. Commonly diffused through the 

 clay. 



Aporrhais pes-pelicani. In the greatest abundance. 



Cerithium reticulatum. Everywhere throughout the deposit in abun- 

 dance. 



