Xll 



CONTENTS 



ANIMALS {Continued) : 



Class C, Crinoidea 



General survey of class . 



Type of class, Pentacrimcs 



Fossil example 

 Class D, Asteroidea 



General survey of class . 



Fossil example 

 Class E, Ophiuroidea . 



General survey of class 

 Class F, Echinoidea 



General survey of class . 



Type of class, Strongylocetitrotus 



Fossil example 

 Class G, Holothurioidea 



General survey of class 



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Phylum IX, Molluscoidea 



General survey and classification 

 Class A, Bryozoa .... 



Type of class, Biigula aviciilana 



General survey of class . 



Fossil and living examples 

 Class B, Phoronida 

 Class C, Brachiopoda . 



Type of class, Te?-ebratiili>ia s 



General survey of class 



Fossil and living examples 



eptentJ'ionalis 



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Phylum X, Mollusca 



General survey and classification . 

 Class A, Amphineura .... 

 Class B, Pelecypoda .... 



Type of class, Venus tnercenaria 



General survey of class . 



Fossil and living examples 

 Class C, Gastropoda .... 



Type of class, Busycon canaliculatus 



General survey of class . 



Fossil and living examples 

 Class D, Scaphopoda .... 



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