820 ALLAX HANCOCK PACIFIC EXPEDITIOXS VOL. 14 



PLATE 81 



Fig. 1. Hincksina gothica new species, with zooecium, ovicell and 

 large and small avicularia. 



Fig. 2. A mphihlestruin trifolium ( S. Wood), zooecia with trifoliate 

 opesia and ovicell. 



Fig. 3. RtKjiila flahtllata acuminata new variety, part of zoarium 

 with different sizes of avicularia. 



F'ig. 4. The same, large avicularium, partial side view, and front 

 view of mandible with acuminate point. 



Fig. 5. Emhallotluca styltfera (Levinsen), zooecia with ovicell. 



Fig. 6. Hippodiplosia lanccllata (Smitt), zooecia with cancellate 

 frontal wall, minute median suboral avicularium, and 

 ovicell. 



Fig. 7. Microporella arctica Norman, showing thick-walled frontal, 

 ligulate avicularium, and ovicell. 



Fig. 8. Escliaroides jacksoni (Waters), zooecia with spout-like peri- 

 stome, spines, avicularia and ovicell. 



Fig. 9. Porella minuta (Norman), zooecia Avith suboral aviculari- 

 um and ovicell. 



Fig. 10. Mucronella 7nicrostoma (Norman), zooecia showing nar- 

 row aperture and spines. 



Fig. 11. Pacliycgis hrunnea (Hincks), ovicell (for description of 

 species see Part 2, p. 315). 



Fig. 12. Clieilopora praelucida (Hincks), ovicell (for description 

 of species see Part 2, pp. 464-65). 



