ZOANTHARIA 



ZOANTHARIA (HEXACTINIA). 



1. View of a Peachia opened along one side. Tentacles partly or entirely retracted. Body wall; 

 mesenteries (twelve) ; secondary mesenteries ; mesenteric filaments ; gonads ; oesophagus laid open ; 

 oesophageal groove, projecting lip of same. 



2. View of the face of a mesentery. Gonad, filament as in i; longitudinal muscle of mesentery. 



3. Transverse sections of Peachia (a) at the level of the oesophagus, (b] below the end of the 

 oesophagus. 



