i88 



THE INVERTEBRATA 



mes.dir. 



^ -m. I. 



mes! 



mes.din 



--mes.dir. 

 mes.fi I. 



-ov. 



Fig^i40. Diagrammatic transverse section of corals and sea anemones 

 AAlcyomum. BPeacha. CEd^oardsia. T^, Aulactinia. E, Typical a^fan 

 m the region of the stomodaeum. F. Alcyonium below the stomodaeum 

 mes. primary mesentery; mes.dir. directive mesenteries; mes.^ mes^ mes *' 

 filamen't?^' '^TV ^."^^^^f ^^"^^ mesenteries; mes.fil. ciliated mesenteric 

 filaments m./. longitudinal muscle; ov. ovaries; sip. siphonoglyph ; sip.' 

 sulculus. The direction of the top of the page is dorsal ^ 



