Notes on a Post-Tertiary Fresh- Water Deposit. 337 



deposit is evidently of considerable antiquity, but more 

 information is required ere any satisfactory statement can be 

 made as to its age. 



The following list includes all the Molluscafi and Crusta- 

 cean remains observed in the marl from the Kirkland 

 deposit : — 



MOLLUSCA. 



Pisidium j^usillum (Gmelin). Veiy common. 

 Planorbis nautileus (Linne). Not very common. 

 Limncea peregra (Miiller). Very common. 



,, truncatula (Miiller). Rather scarce. 



,, palustris (Miiller). Rare. 

 Succhiea puti'is (Linne). Not very common. 

 Zonites fulvus (Miiller). Rather scarce. 

 Helix pulchella (Miiller). Frequent. 

 Vertigo pygmcea (Draparnaud). Rare. 

 „ „ var. Goncinna. Frequent. 



Ci^ustacea-Ampiiipoda. 

 Gammarusjluviatilis? Rare. 



Crustacea- OsTRAcoD A. 



Erpetocypris strigata (O. F. Miiller). Frequent. 



„ tumefacta (Brady and Robertson). Not 



common. 

 Cypridop)sis vidua (0. F. Miiller). Common. 



„ villosa (Jurine). Not common. 



Potamocypris fulva, Brady. Not common. 

 Cyprois Jlava (Zaddach). Rathei- scarce. 

 Candona Candida (O. F. Miiller). Very common. 

 „ puhescens (Koch). Very common. 



I will now refer to the Elie deposit. 



In 1867 the Rev. T. Brown, F.R.S.E., read a paper to the 

 Royal Society of Edinburgh ou the Arctic shell-clay of Elie 

 and Errol, including some peaty layers interbedded with 

 blown sand of more recent origin, wdiich had been exposed in 

 section during the construction of the East of Fife Railway 



