PREFACE v
SCHEME OF THE CLASSIFICATION ADOPTED IN THIS BOOK xi
PART 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 138
PART II. REPTILIA {x}
CHAPTER VII PAGE
DEFINITION AND CHARACTERS—POSITION OF THE CLASS REPTILIA IN THE PHYLUM VERTEBRATA—CLASSIFICATION—SKULL AND VERTEBRAE 277
CHAPTER VIII
PROREPTILIA—PROSAURIA—THEROMORPHA 285
CHAPTER IX
CHELONIA—ATHECAE—THECOPHORA 312
CHAPTER X
DINOSAURIA—CROCODILIA 412
CHAPTER XI
PLESIOSAURIA—ICHTHYOSAURIA—PTEROSAURIA—PYTHONOMORPHA 473