A GROUP OF TURBELLARIA. 53 



Fam. microstomidae. 



Microstomum lineare (Miill). 



Fresh water (14) : Chigwell : Higham's Park, (H. W.) ; 

 " In all Scottish lochs " (19) ; near Dublin (21). 



Macrostomum appendiculatum (0. Fabr.) (= hystrix, 

 Oe). 

 Stagnant water (14) ; Clare Is. (salt water) (24). 



Fam. PRORHYNCHIDAE. 



Prorhynehus stagnalis M. Schultze. 



In Devonshire rivers (14) ; L. Lomond (19) ; Fenton 

 Tower, E. Scotland (9). 



P. curvistylus M. Braun. 

 Near L. Lomond (19). 



Section Lecithophora. 



Fam. DALYELLIIDAE. 



Dalyellia diadema Hofsten (18). 



Chigwell Row (H. W.). This species appears to have been 

 recorded only once before, viz. in the Bernese Alps. 



D. viridis (G. Shaw) (= heUuo Miill). 



Generally distributed (14) ; Richmond Park, Chigwell 

 Row (H. W.) ; Edinburgh (9). 



D. armigera (O. Schm.). 

 Millport (14). 



D. Schmidtii (L. Graff). 

 Millport (14). 



D. millportianus (L. Graff) (9). 

 Millport (9). 



Jensenia agilis Fuhrm (= serotina, Dorner). 

 Richmond Park, Epping Forest (H. W.). 



J. truncata (Abildg.). 



Abundant in fresh water (14), L. Lomond (19). 



Phaenocora (= Derostomum) punctatum Orst. 

 Theydon Bois (H. W.) ; Edinburgh (9). 



Opistomum Schultzeanum Dies. 

 L. Lomond (19). 



