TABULAE STATEMENT SHOWING THE SYSTEMATIC 

 POSITION OF THE ECHINODERMA. 



ANIMALIA. 



GRADE I. PROTOZOA. 

 II. METAZOA. 



BRANCH A. BRANCH B. 



PARAZOA. ENTEROZOA. 



GRADE I. (of the Enterozoa). 

 ENTEROCOELA = COELENTERA. 



GRADE II. (of th Enterozoa). 

 COELOMOCOELA = COELOMATA. 



PHYLA (of the Coelomocoela). 



ECHINODERMA, MOLLUSCA, APPENDICULATA, 

 PLATYHELMIA, VERTEBKATA, etc. 



