CLASSIFICATION OF ANIMALS 347 



BRANCH VIII. ECHINODER' MATA. 



Class I. ASTEEOr DEA. 



Starfish, Asleri'na minea/a, Aste'rias ocrd'cia. 

 Class II. OPHITJKOI' DEA. 

 Class III. iCHINOr DEA. 



Sea-urchin, Sirongyloccntro' tus /ranciscd'nus, cake- 

 urchin, sand-dollar. 

 Class IV. HdLOTHUROr DEA. Class VI. CYSTOI'DEA. 



Class V. CKINOI'DEA. Class VII. BlAstoi'DEA. 



BRANCH IX. ANNULA'TA. 



Class I. CHiETdP'ODA (ke top'oda). 



Earthworm. 

 Class II. GfiPHYEE'A (jefere'a). 

 Class III. AECHI -ANN£l' IDA. 

 Class IV. HIRUDIN' EA. 



Leech, Clepsi'ne. 



BRANCH X. ARTHROP'ODA. 



Class I. CETJSTA'CEA. 



Crayfish, crab, lobster, pill-bug, water-flea, spider- 

 crab, barnacle, kelp-crab, rock-crab, hermit- 

 crab, oyster-crab, Macrocheira, Bald'nus, Pollic' - 

 ipes polymeniis, Brachyno' tus nudus, Cdn'cer pro- 

 ductus, Epialtus prodiictus, Pag'arus samiielis, 

 damp-bug, wood-louse, Cy'clops, Isopod, Saccu- 

 li'na, Copepod, Penel'la, Cochodir'ma virgd'lum. 



Class II. 6NYCH6PH' OEA. (on y kofo ra) 



Class III. MYEIAp'ODA. 



Thousand-legged worm, centiped, milliped, ga.l- 

 ley-v/orm, /tilus, Scolopen'dra, Scufis' era for' ceps . 



