Praeger — Fossils at Alexandra Dock, Belfast. 39 



Turritella terebra, Linn. 



Frequent ; attains a large size in the upper clay. 



Scalarla Turtonse, Turt. 



Of constant occurrence in the upper clay. Not now living in Belfast 

 Lough. 



f Aclis supranltida, S. Wood. 

 In the upper clay, rare. 



Odostomia lactea, Linn. 



This elegant little shell is not uncommon in the upper clay and yellow- 

 sand. 



Eulima billneata, Aid. 



A single specimen in the lower clay. (One specimen, Grainger). 



UTatica catena, Da Costa. 



One small example in the lower clay. 



ISTatica Alderi, Forbes. 



Upper clay, very frequent. 

 Aporrhals pes-pelecani, Linn. 



Upper and lower clay, and yellow sand, abundant, especially in the first. 

 Ceritnlum retlculatum, Da Costa. 



In the greatest profusion throughout. 

 Purpura lapillus, Linn. 



In different beds, but very uncommon. 

 Buccinum undatum, Linn. 



Plentiful in all but the top clays. 

 Murez erinaceus, Linn. 



Very uncommon in the deposits, but of large size. 

 Fusus antlquus, Linn. 



A few specimens, of large size, occurred. 

 * Fusus gracilis, Da Costa. 



In the yellow sand, extremely rare. 

 KTassa reticulata, Linn. 



A common shell in the upper clay and yellow sand. 

 Nassa pygmsea, Lawk. 



Very abundant in the upper clay, but does not occur in either the lower 



clay or top clay. See Mr. Stewart's note in his list of Estuarino Clay 



Fossils. 

 Pleurotoma bracbystoma, Phil. 



Two specimens in the upper clay. 

 Pleurotoma septangularis, Mont. 



I found one specimen in the lower clay. 



