Xll TABLE OF CONTENTS 



[Order Notostigmata] 



[Order Cryptostigmata] 



[Order Prostigmata] 



[Order Stomatostigmata] 



[Order Heterostigmata] 



[Order Parastigmata] 



[Order Mesostigmata] 



[Order Metastigmata] 

 Class Phalangida 465 



[Class Palpigradi] 

 [Class Pedipalpi] 

 [Class Pseudoscorpionidea] 

 [Class Solifugae] 



Class Pantopoda (Pycnogonida) 466 



Class Tardigrada 467 



Class Pentastomida 469 



CHAPTER XVI 



Phylum MoUusca 470 



Class Amphineura 474 



Order Polyplacophora 474 



Order Aplacophora 474 



