Xll CONTENTS. 



CHAPTER XXV. 



Trematoda and Turbellaria General Characters of the Trematoda 

 General Characters of the Turbellaria Planarida Nemertidae 



PAGE 147-150 



CHAPTER XXVI. 



Nematelmia Acanthocephala Gordiacea Nematoda Parasitic 

 Nematoids Free Nematoids . 150-154 



CHAPTER XXVII. 



Rotifera General Characters of the Rotifera Affinities of the Rotifera 



154-158 



CHAPTER XXVIII. 



Annulosa General Characters of the Annulosa General Characters of 

 the Anarthropoda Class Gephyrea General Characters of the Class 

 Annelida 159-162 



CHAPTER XXIX. 



Divisions of the Annelida Hirudinea Oligochseta Tubicola 

 Errantia Distribution of the Annelida in Time Tabular View of 

 the Annelida Class Cheetognatha . . . ' . . 162-169 



CHAPTER XXX. 



Arthropoda General Characters Divisions of Arthropoda . 170-171 



CHAPTER XXXI. 



Crustacea Characters of the Class Crustacea General Morphology of 

 Crustacea Divisions of Crustacea ... . 171-177 



CHAPTER XXXII. 



Epizoa Ichthyophthira Cirripedia Characters of Cirripedia Deve- 

 lopment Reproduction Divisions 177-182 



CHAPTER XXXIII. 



Entomostraca Lophyropoda Ostracoda Copepoda Branchiopoda 

 Cladocera Phyllopoda Trilobita Merostomata Xiphosura 

 Eurypterida 182-189 



CHAPTER XXXIV. 



Malacostraca Edriophthalmata Lsemocli poda Amphipoda Iso- 

 poda Podophthalmata Stomapoda Decapoda Macrura Ano- 

 mura Brachyura 189-195 



