PLATE 14 



(All figures by Miss Eogick except figure 1, by Conrad.) 



Fig. 1 CyUndroporella tiibulosa. 



Fig. 2 Amphihlestrum trifolium, details of fertile zooecium. 



Fig. 3 Pyripora catenularia, detail of zooecium. 



Fig. 4 The same, mode of branching. 



Fig. 5 Smittina novanglia n.sp., internal view of aperture. 



Fig. 6 Hippodiplosia americana, fertile zooecium. 



Fig. 7 The same, infertile zooecium. 



Fig. 8 Hippodiplosia pertusa, fertile and infertile zooecia. 



Fig. 9 Smittina reduplicata n.sp., detail of primary aperture. 



Fig. 10 The same, diagrammatic longitudinal section of a fertile zooecium, 

 showing primary and secondary oral avicularia and median pore of ooecium. 



Fig. 11 Smittina hclla, operculum. 



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