CLASS IV.— POLYPI. 
CX1X 
ORDER II. — Homogenea. 
Body gelatinous, but without appearance of stomach, intestines, 
anus, and sometimes of mouth. 
Genus. 
Urceolaria, Lam. 
Trichoda 
Leucophra 
Kerona 
Himantopus 
Cercaria 
Vibrio 
Enchelis 
Cyclidium 
Paramecium 
Kolpoda 
Gonium 
Bursaria 
Proteus 
Monas 
Volvox. 
