LUCERNARIAD.E. 



31 



Edwardsia (Quatrefages) = Scolanthus (Gosse). 

 Body not adherent, worm-like ; mouth and ten- 

 tacles seated on a retractile column ; hinder extre- 

 mity inflated, membranous, retractile, not perforate. 



E. callimorpha. Fig. 45. 

 sphseroides. 



45 



Peachia (Gosse). Body not adherent, sub-cylin- 

 drical, or pear-shaped, with a posterior orifice; 

 tentacles few, short, thick, conical, set in one 

 circle ; oviduct terminating in a warted knob. 



P. hastata. Fig. 46. 

 ? chrysanthellum. 



46 



Family II. Lucernariad,e. 



Lucernaria (Miiller). Body bell or goblet shaped, 

 adherent or free at pleasure ; mouth quadrangular, 

 in the centre of a membranous expanded disk; 

 tentacles knobbed, clustered in groups on the pro- 

 jecting angles of the disk. 



