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between nearly all the species of foraminifera. With regard to 

 Lagena, he said all our British flat Entosolenian Lagencehavetheir 

 three-sided representatives in the Estuarine Clay at Limavady 

 Junction, and he suggested these might be intermediate links 

 between the flat and round Lagena ; also that an Australian 

 Lagena had been found not unlike Lagena costata, having a slit 

 aperture, a character which had been considered characteristic 

 of our flat Entosolenians. He also added that the bilocular 

 Lagence occasionally met with might be the link between Lagetia 

 and Nodosaria. The paper was illustrated by diagrams. 



