Praeger — Fossils at Alexandra Dock, Belfast. 47 



Rotalia Beccarii, Linn. 



Abundant in the blue clay, and in tbe greatest profusion in the basal sandy- 

 layer. In tbe grey sand below tbe peat it was of frequent occurrence, and 

 in tbe red glacial sand a few mucb-worn specimens were observed. 



f Rotalia nltida, Will. 



In tbe Estuarine Clay, very rare. 

 Wonionina depressula, W. % J. 



Common in tbe blue clay. In tbe grey sand overlying tbe peat it was very 

 scarce, but in tbe grey sand under the peat it again occurred abundantly. 



Polystomella crispa, Linn. 



Of frequent occurrence. 

 Polystomella striato-punctata, F. § M. 



In the Estuarine Clay abundantly ; also in the red sand, where it was 

 extremely rare. 

 Pontocypris mytlloides, Norman. 

 Blue clay, rare. 



Cythere pelluclda, Baird. 



Abundant in the blue clay and in the sandy layer at its base ; very rare in 



tbe red sand. Abundant in the lough at the present time.* 

 Cythere crispata, Brady. 



Plentiful in the blue clay ; very rare in our present waters. 

 Cythere virldis, Miiller. 



In the blue clay, very scarce. (Throughout the deposits, Brady, CrossJcey, 



and Eobertson). t 



Cythere lutea, Miiller. 



Blue clay, not common. 

 Cythere convexa, Baird. 



Blue clay, very rare. 

 Cythere villosa, G. 0. Sars. 



Very rare. (Throughout tbe clays, Brady, Crosskey, and Robertson). 

 Cythere concinna, Jones. 



Common in the Estuarine Clays. 

 Cythere tuberculata, G. 0. Sars. 



Like the last, common. 

 Cythere Dunelmensis, Norman. 



In the Estuarine Clay, not unfrequent. Extremely rare in our present 



waters. 



* For the present distribution of Ostracoda in our waters, see Malcomson, " Eecent 

 Ostracoda of Belfast Lough."— Proc. Belfast Naturalists' Field Club, Vol. II., Appendix IX 



+ Brady, Crosskey, and Robertson— Monograph of the Post-tertiary Entomostraca of 

 Scotland, p. 102. 



