BRITISH MARINE TURBELLARIA. 



433 



Contributions to a Knowledge of British 

 Marine Turbellaria. 



By 



F. W. Oamble, B.Sc, 



Berkeley Fellow of Oweus College, Mauchester. 



1. Nature and Scope of the Paper. 



It is usual to begin a faunistic paper on Turbellaria with 

 the words of Oscar Schmidt, " Man braucht, wie es scheint, wo 

 man will nur zuzugreifen und ist der Ausbeute sicher ; " and 

 although written forty years ago, they are still applicable to 

 this group. In the northern European seas (and it was to 

 these that Schmidt referred) many species may be found by 

 careful examination of almost any portion of the littoral and 

 laminarian zones. Yet, owing probably to their small size, 

 inconspicuous appearance, perishable nature, and obscure 



