PLATE 3 



Fig. 1 Tiibiilipora Jobiilald, margin of zoariuiii, a portion of an ooeeiinn shown 

 at left. 



Fig. 2 The same, a transverse ooecium (Rogick). 



Fig. 3 The same, a bilobate ooeeium, the usual form (Rogick). 



Fig. 4 The same, diagram of a bilobate ooecium, dissected to show the 

 internal cavity (Rogick). 



Fig. 5 The same, a young zoarium showing ancestrula (Rogick). 



Fig. 6 Diaperoecia harmeri n.sp., tij) of branch showing ooecium with the 

 usual semicircular ooeciopore (Rogick). 



Fig. 7 The same, characteristic position of ooecium anion;' the zooecial 

 tubules (Rogick). 



Fig. 8 The same (?), circular ooeciopore remote from tubules (Rogick). 



360 



