ON ELOACTIS MAZELI. 



73 



Fig. 1. — Transverse section through the column, showing stoniatodreuiu with eso- 

 phageal groove, and septostomes in all the mesenteries except in the sulcar directive and 

 in two sulco-lateral mesenteries : d. directive mesenteries, oes.gr. oesophageal groove or 

 siphonoglyphe, p.m. parietal muscle, r.m. retractor muscle, s. sulcus, s.p. septostomes, 

 St. stomatodseum. 



