68 



POST-TERTIAKY ENTOMOSTRACA. 



22. Cleshmahew's Tile-works, One Mile South of Stranraer. 



The following section has been exposed : 



1. Upper clay, mixed with sand, with polished and striated stones and 



worn flint pebbles . . . . . 7 to 8 ft. 



2. Brown clay ..... Very variable. 



3. Blue clay rising into hummocks and occasionally intersected by 

 lenticular beds of sand and gravel, with polished and striated stones 



and worn flint pebbles . . . . . 7 to 8 ft. 



4. Gravel, sufficiently porous to drain the water from the workings, not 

 pierced through . ... . - . 



The shells are found in the brown clay (2) and the blue clay (3). 



The species of Mollusca, which are not water-worn, although ill-preserved, include 

 such an extremely Arctic type as Leda arctica, which is covered with its epidermis and 

 is associated with L. pygmcea and L. pernula. 



The shell-clay consists of 92 per cent, fine mud, 6 per cent, sand, 2 per cent, small 

 gravel. 



Height above the sea fifty feet. 



The following Ostracoda were found : 



Cythere lutea, Miiller. 



— viUosa (G. 0. Sars). 



— Dunehnensis (Norman), 

 Cytheridea punctillata, Brady. 

 Loxoconcha tamarindus (Jones), 



