CLASS IV. POLYPI. CXIX 



ORDER II.— HOMOGENEA. 



Body gelatinous, but without appearance of stomach, intestines, 

 anus, and sometimes of mouth. 



G^nus. 



Urceolaria, Lain. 



Trichoda 



Leucophra 



Kerona 



Himantopus 



Cercaria 



Vibrio 



Enchelis 



Cyclidium 



Paramecium 



Kolpoda 



Gonium 



Bursaria 



Proteus 



Monas 



Volvox. 



