is 



IIIJITISII FKFSHWATFU HEUOZOA. 



t. Lakes and moorland pools; rare. 

 Dixfi-il'iiti<ni. EXCLAND. Windermere, Cumberland 



II.-MI.AXD. Gallery and Carrig; Wicklow (Archer). 



The most striking feature in the appearance of this 

 species is the large golden yellow oil-like globule 

 enclosed in the plasma, which may attain a diameter 



FIG. 189. JElasorlianis oculea. (After Penard.) 



equal to about three-quarters that of the body ; occa- 

 sionally it is replaced by two or three smaller ones, 

 but in one form or the other it is always present and 

 doubtless plays a necessary part in the vital economy 

 of the animal. 



No food particles have been recorded as present in 

 tin- plasma so that nutrition is apparently saprophytic. 



The body of the animal floats freely in the interior 

 of the outer envelope, its position being controlled 



