EXPLANATION OF PLATES 

 (Unless otherwise specified the maguification is X 20.) 



Plate 13 



1. Symplectanea bracteata, new genus and species: a, Hydi'anth, showing ar- 



rangement of tentacular bracts and gonophores (X 12); 6, tentacular 

 bract and gonophore. 



2. Eydractinia valens, new species : a, 6, Nutritive zooids ; c, d, female generative 



zooids ; e, spines. 



3. Corymorpha adventitia, new species: a, Zooid, showing adventitious shoots 



(X 3) ; &, hydranth, showing tentacle and gonophore arrangement (X 12). 



Plate 14 



4. Lampra uvularis, new species : Zooid, showing tentacle and gonophore 



arrangement. 



5. Tuiularia crassa, new species: a, Individual zooid (X 6) ; ft, a gonophore 



cluster. 



Plate 15 



H. fCampanularia fasciculata, new species : a. Portion of fascicled stem with 

 hydrothecae ; 6, portion of simple stem. 



7. tObelia racemosa, new species : Portion of colony showing hydro theca arrange- 



ment. 



Plate 16 



8. Egmundella grandis, new species: a, b, Hydrothecae and nematophores. 



9. Lovenella grandis Nuttiug: a, Portion of colony with hydrothecae and 



gonangia ; b, a single gonophore. 

 10. Halecium dubiuin, new species: a, Portion of colony showing hydrophore 

 arrangement. 



PLA.TE 17 



10. Halecium dubium, new species : b, Portion of colony showing gonophore 



arrangement. 



11. Halecium tensum, new species: a, Portion of fascicled stem; b, c, portions 



of simple stem. 



Plate 18 



12. Lictorella crassitheca, new species : a, Portion of fascicled stem ; b, portion of 



simple stem. 



13. Aglaophenia irtconstans, new species : a, Portion of hydrocladium showing 



hydrothecae ; b, three hydrothecae ( X 40). 



14. Aglaophenia transitionis, new species: a, Portion of hydrocladium showing 



hydrothecae ; b, three hydrothecae ( X 40) . 



15. Plumularia polynema, new spcies : a, Portion of colony showing nematophore 



arrangement ; b, portion of colony showing branched hydrocladium. 



89 



