CHAPTER XXIII. 

 CLASSIFICATION OF THE ANIMAL KINGDOM. 



(Parker and Haswell.) 



BRANCH I. PROTOZO'A. 



Class I. Rhlzop'oda Amoe ba, Globigeri'na. 



Class II. Mastigoph'ora Eugle'na, Vol'vox, Noctil'uca. 



Class III. Sporozo'a Gregari'na. 



Class V. Infuso'ria Parame'cium, Vorticel'la. 



BRANCH II. POR!F'ERA. 

 Class I. PorTfera sponges, fresh-water and marine. 



BRANCH III. CffiLENTERA'TA. 



Class I. Hydrozo'a Hy'dra, sea anemone. 



Class II. Scyphozo'a jellyfish. 



Class III. Actinozo'a corals. 



Class IV. Ctenoph'ora (ten-off-o-ra) comb jellies. 



BRANCH IV. PLATYHELMIN'THES. 



Class I. Turbella'ria planarian worms. 

 Class II. Tremato'da liver fluke. 

 Class III. Cesto'da tapeworm. 



BRANCH V. NEMATHELMIN'THES. 

 Class I. Nemato'da roundworms, Trichina. 



BRANCH VI. TROCHELMIN'THES. 



Class I. Rotlfera wheel animalcules. 

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