CONTENTS 



PART I.— AMPHIBIANS 



CHAPTER PAGE 



Editor's Introduction vii 



Preface ^'^ 



I. — What amphibian means 1 



1I,_X,I5IBS, TOES, claws, WEBS, FINS, AND TONGUES IN 



AMPHIBIANS '^ 



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

 prisonment, DRINKING, AND WATER RESERVOIRS IN 

 AMPHIBIANS 



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



COURTSHIP, DRESS, COLORS, CHANGES, AND OTHER 

 ORNAMENTS ; WEAPONS, DEFENSE, SKIN SECRETIONS, 

 AND BLUFF, IN AMPHIBIANS 



v.— Eggs, spawning places, viviparous forms, and 



PECULIAR CARE OF YOUNG IN AMPHIBIANS . . 30 



VL— 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 



14 



19 



