( 93 ) 

 TABLE XIX. 



Monophyletic Pedigree of the Animal Kingdom, founded on the Gastraea 

 Theory and the Homology of the Germ-layers. 24 



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Articulates 



Arthropoda 



Vertebrates 



Vertebrata 



Star-animals 

 Echinoderma 



Soft-bodied Animals 

 Mollusca 



Ccelomati. 

 ( Worms with body-cavity) 



Plant-animals 



Zoophyta 

 (jUozlciiterata) 



Sponges 

 Spongiae 



Sea-nettles 

 (Acalephce) 



Flat Worms 

 Plathelmimhes 



Protascus 



Gastraja radialis 

 {stationary) 



Acoelomi 

 {Worms without body-cavity) 



Prothelmis 



Gastraea bilateralis 

 (crawling) 



Gastrasa 

 {Ontogeny: Gastrula) 



Primitive Animals 



Protozoa 



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Ciliata 



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Gregarinaj 



Infusoria 



Sj'namceba 

 {Ontogeny : Morula) 



Amabina 



Amoebae 

 {On togtny : Cy t u la) 



Monera 

 {Ontoyeny: Monerula) 



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