TABLE SHOWING THE CLASSIFICATION OF THE ACTINOZOA 

 DESCRIBED IN THIS CHAPTER 



Class 

 ACTINOZOA 



Subclass 



Zoantharia 



(Mesenteries numerous, usually in multiples of six ; 

 Orders Genera 



ACTINIARIA r5f'1 rf !? m . 

 J Rhodactima 



(The sea-anemones < Hotocampa 

 Single ; no skeleton) 



MADREPORARIA 



C The stone- or reef -cor- 

 als. Colonies ; skele- 

 ton calcareous) 



t Oculina 

 I Astrtca 

 I Meandrina 

 < Dijtloria 



I Madrepora 

 \Astrangia 



tentacles unbranched hollow cones) 



Species 



M. marginatum 

 It. dnvidsil 

 H. producta 

 S. leucoleita 



D. cerebriformis 

 ( M. ceri'icornis 

 \ M. palmata 



A. danae 



ANTIFATHARIA 



(The black corals) 



Subclass 

 Alcyonaria or Halcyonoida 



(Tentacles and mesenteries eight in number ; tentacles feathered, that is, with uniform 



branches) 



ALCYONACEA 



GORGONACEA 



(The sea-fans and sea- 

 whips. Compound, 

 tree-like colonies, with 

 horny axis, branching 

 throughout) 



PEHNATTTLACEA 



(Free, phosphorescent; 

 colonies, with horny 

 axis ; polyps in lat- 

 eral branches) 



( Alcyonium 

 \ Tiibipora 



A. palmatum 



Pennatula 



Ui 



