FORAMINIFERA OF THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION. 1041 



Genus Pulvinulina, Parker and Jones. 



Pulvinulina canariensis (d'Orbigny). 

 A few. Found at several other Scotia stations. 



Pulvinulina ohlonga (Williamson). 

 A few. 



Pulvinulina repanda (Fichtel and Moll). 



A few specimens of this common shallow- water form. 



Pulvinulina elegans (d'Orbigny). 

 A few. Also found at Station 342. 



Pulvinulina umhonata, Reuss. 



Also at Station 346. 



Sub-family TINOPORIN^.. 



Genus Gypsina, Carter. 



Gypsina globulus (Reuss). 

 Small numbers of this interesting shallow- water form were obtained. 



Genus Polytrema, Risso. 



Polytrema miniaceum (Pallas). 



Common attached to shell-fragments, etc. This species is a common shallow-water 

 form in temperate and tropical seas. Although mainly found in shallow water, it was 

 collected by the Challenger naturalists in the Atlantic at a depth of 1000 fathoms. 

 With other adherent Foraminifera, it plays an important part in building up the lime- 

 stone rocks of coral reefs and islands. 



Genus Homotrema, Hickson. 



Homotrema ruhriim (Lamarck). 

 Rare. 



Genus Sporadotrema. 



SporadoU'ema cylindricum (Carter). 

 Fragments of the basal and distal portions of this large parasitic form are of interest 

 from this locality. 



