30 
Stewart — List of Estuarine Clay Fossils. 
Rissoa membranacea, Rissoa labiosa, F. & H. Profusely abundant, and 
of large size. 
Rissoa viqlacea, Rissoa rufilabrum, F. & H. Not uncommon. 
Rissoa striata. Larne Lough, in profusion. 
Rissoa vitrea. In the Belfast deposit, rare. 
Hydrobia ulv.e, Rissoaulvce, 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 indistinct a, Chemnitzia indistincta, F. & H. Rare. 
Odostomia interstincta. Very rare. 
Odostomia lactea, Chemnitzia elegantissima , 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. 
