10 CONTENTS 



CHAPTER VII 



PAGE 



PHYLUM ANNULATA , 40 



Class Chaetopoda 40 



Class Hirudinea 42 



CHAPTER VIII 



PHYLUM MOLLUSCA 44 



Class Lamellibranchiata 45 



Class Gastropoda 58 



Class Cephalopoda 66 



Class Amphineura 67 



Class Scaphopoda 67 



1 CHAPTER IX 



PHYLUM ARTHROPODA 68 



Class Crustacea 71 



Class Onychophora 78 



Class Myriapoda 78 



Class Arachnida 79 



Class Insecta 83 



CHAPTER X 



PHYLUM CHORDATA: SUBPHYLUM VERTEBRATA 107 



Class Pisces 107 



CHAPTER XI 



PHYLUM CHORDATA: SUBPHYLUM VERTEBRATA. 



Class Amphibia 123 



Order Apoda 126 



Order Caudata 126 



Order Anura. . 126 



CHAPTER XII 



PHYLUM CHORDATA: SUBPHYLUM VERTEBRATA. 



Class Reptilia . . . 135 



Order Chelonia 136 



Order Lacertilia 148 



Order Ophidia . 153 



Order Crocodilia 170 



