THE SCOTTISH NATURALIST 



(Lancashire), 1910; Isle of May, 191 r ; St Kilda, 1911; 

 Surrey, 191 1. 



The species is readily recognised by its compressed oval 

 outline, contracted denticulate mouth, and surface appear- 

 ance. It is difficult to say to what species it is most closely 

 related. 



Table of Species found. 

 1. Rhizopoda. 



