CONTENTS 



CHAPTER IV 



MESOZOA 



PAGE 



DICYEMIDAE STRUCTURE REPRODUCTION OCCURRENCE : ORTHONECTIDAE 



OCCURRENCE STRUCTURE : TRICHOPLAX : SALINELLA ... 92 



NEMERTINEA 



CHAPTER V 

 NEMERTINEA 



INTRODUCTORY EXTERNAL CHARACTERS ANATOMY CLASSIFICATION- 

 DEVELOPMENT HABITS REGENERATION BREEDING GEOGRAPHICAL 

 DISTRIBUTION LAND, FRESH - WATER, AND PARASITIC FORMS 

 AFFINITIES 



NEMATHELMINTHES AND CHAETOGNATHA 



CHAPTER VI 

 NEMATHELMINTHES 



INTRODUCTION NEMATODA ANATOMY EMBRYOLOGY CLASSIFICATION 

 ASCARIDAE STRONGYLIDAE TRICHOTRACHELIDAE FILARIIDAE 

 MEUMITHIDAE ANGUILLULIDAE ENOPLIDAE PARASITISM : NEMATO- 



MORPHA AXATOMY CLASSIFICATION LlFE - HISTORY : AcANTHO- 



CEPHALA ANATOMY EMBRYOLOGY CLASSIFICATION .... 123 



CHAPTER VII 

 CHAETOONATHA 



STRUCTURE REPRODUCTION HABITS FOOD CLASSIFICATION TABLE OF 



IDENTIFICATION [see also p. 534] 186 



ROTIFERA, GASTROTRICHA, AND KINORHYNCHA 



CHAPTER VIII 



ROTIFERA, GASTROTRICHA, AND KINORHYNCHA 



ROTIFERA HISTORY EXTERNAL FEATURES MOVEMENTS ANATOMY RE- 

 PRODUCTION EMBRYOLOGY CLASSIFICATION DISTRIBUTION AFFINI- 

 TIES : GASTROTRICHA: KINORHYNCHA . . 197 



