CONTENTS 



PART I.— AMPHIBIANS 



CHAPTER PAGE 



Editor's Introduction vii 



Preface xv 



I. — What amphibian means 1 



11. — Limbs, toes, claws, webs, fins, and tongues in 



amphibians 7 



III. — Teeth, beaks, food, feeding habits, fasting, im- 

 prisonment, DRINKING, AND WATER RESERVOIRS IN 



amphibians 14 



TV. — Spring calls, vocal organs, haunts, hatching, 



COURTSHIP, DRESS, COLORS, CHANGES, AND OTHER 

 ORNAMENTS ; WEAPONS, DEFENSE, SKIN SECRETIONS, 

 AND BLUFF, IN AMPHIBIANS 19 



V. — Eggs, spawning places, viviparous foRxMS, and 



PECULIAR CARE OF YOUNG IN AMPHIBIANS . . 30 



VI. — Respiration, lungs, skin-breathing, circulation, 



HEARTS AND LYMPH-HEARTS IN AMPHIBIANS . . 41 



VII. — Skin, smell, hearing, eyes, digestive tract . . 44 

 VIII. — Skeleton generally — back-bone, ribs, skull, mus- 

 cles, nerves, reflex action, tenacity OF life, 



AND repair in AMPHIBIANS 50 



IX. — Fossils, keys, etc 58 



2 XV ii 



