CONTENTS 



PAGE 



PREFACE .............. v 



SCHEME OF THE CLASSIFICATION ADOPTED IN THIS BOOK . xi 



PAKT I. AMPHIBIA 



CHAPTER I 



CHARACTERS AND DEFINITION POSITION OF THE CLASS AMPHIBIA IN THE 

 PHYLUM VERTEBRATA HISTORICAL ACCOUNT OF THE CLASSIFICATION OF 

 AMPHIBIA ............ 3 



CHAPTER II 



SKELETON OF URODELA AND ANURA SKIN COLOUR-CHANGING MECHANISM 

 POISON-GLANDS SPINAL NERVES RESPIRATORY ORGANS SUPPRESSION 

 OF LUNGS URINO-GENITAL ORGANS FECUNDATION NURSING HABITS 

 DEVELOPMENT AND METAMORPHOSIS . .... 11 



CHAPTER III 



NEOTENY REGENERATION TEMPERATURE GEOGRAPHICAL DISTRIBUTION . 63 



CHAPTER IV 

 STEGOCEPHALI OR LABYRINTHODONTS LISSAMPHIBIA APODA . . . 78 



CHAPTER V 



LISSAMPHIBIA (CONTINUED] URODELA . 94 



CHAPTER VI 



LISSAMPHIBIA (CONTINUED] ANURA 



