BRITISH ZOOPHYTES. 211 



Sab-order II. Cyclostomata. (Zocecium iuopercu- 

 late.) 



Families. Crisidce, TuhuliporidcB, HorneridcB, Lichen- 

 sporidce. 



Sub-order III. Ctenostomata. (Zocecium not cal- 

 careouSj orifice closed by setse.) 



Families. Alcyonididce, Arachnididce, Flustrellidce, 

 VesicularidcB^ Buskidce, Cylindrecidce, Triticellidtb, 

 ValkeridcB, Mimosellidce, Victor ellidoe. 



Sub-order IV. Paludicellea. (A fresh- water form.) 



Family. Paludicellidw. 



Order II. PHYLACTOLJEMATA. (Polypides 

 possessed of an epistome.) 



Families. Cristatellidoe, PlumateUidce. 



Group b. Entoprocta. (Anal orifice within the lo- 

 phophore.) 



Order. PEDICELLINEA. 



Families. JPedicellinidce, Loxosomidce. 



Sub-class 11. Pterobranchia. (Tentacles in dis- 

 continuous series.) 



Order. PODOSTOMATA. 



Family. Rhahdojjleuridte. 



p 2 



