CONTENTS. 



PACK. 



Prefatory Note ^ 



Preface v vi 



List of Illustrations viii-x 



CHAP. 



I. THE PROBLEM OF THE AMPHIBIA FROM THE COAL MEASURES 3_5 



II. HISTORY OF THE DISCOVERY OF AMPHIBIA IN THE COAL MEASURES 6_g 



III. STRATIGRAPHIC AND GEOGRAPHIC DISTRIBUTION OF AMPHIBIA IN THE COAL MEASURES OF NORTH 



AMERICA 9-22 



IV. THE MORPHOLOGY OF THE COAL MEASURES AMPHIBIA 23-36 



V. THE AMPHIBIA OF THE DEVONIAN AND MISSISSIPPIAN OF NORTH AMERICA 37-38 



VI. A HISTORY OF THE CLASSIFICATION OF THE AMPHIBIA, WITH ESPECIAL REFERENCE TO THE SPECIES 



FROM THE COAL MEASURES 39-45 



VII. CLASSIFICATION OF AMPHIBIA ADOPTED IN THIS WORK, AND A LIST OF THE COAL MEASURES 



AMPHIBIA FROM NORTH AMERICA 46-48 



VIII. DEFINITION OF THE CLASS AMPHIBIA, THE SUBCLASS EUAMPHIBIA, AND THE ORDER BRANCHIO- 



SAURIA 49-5O 



IX. THE AMERICAN COAL MEASURES BRANCHIOSAURID/E 51-66 



X. THE ORDER CAUDATA 67-71 



XI. THE ORDER SALIENTIA 72-74 



XII. THE SUBCLASS LEPOSPONDYLIA, THE ORDER MICROSAURIA, AND THE GROUP AISTOPODA 75~77 



XIII. THE MICROSAURIAN FAMILY HYLONOMHXE, FROM THE COAL MEASURES OF NOVA SCOTIA "8-84 



XIV. THE MICROSAURIAN FAMILY TUDITANID.*, FROM THE COAL MEASURES OF OHIO AND PENNSYLVANIA 85 MI 

 XV. THE MICKOSAURIAN FAMILY STEGOPID*, FROM THE COAL MEASURES OF OHIO i u i 14 



XVI. THE MICROSAURIAN FAMILY UROCORDYLID/E, FROM THE COAL MEASURES OF OHIO 115 125 



XVII. THE MICROSAURIAN FAMILY AMPHIBAMID.*:, FROM THE COAL MF.ASI-RES OF MAZON CREEK, ILLINOIS 126-134 



XVIII. THE MICROSAURIAN FAMILY NYRANIID/G, FROM THE COAL MEASURES OF OHIO 135-138 



XIX. THE AISTOPODOUS MICROSAURIAN FAMILY PTYONHD.*, FROM THE COAL MEASURES OF OHIO. . . 139-146 

 XX. THE MICROSAURIAN FAMILY MOLGOPHID^., FROM THE COAL MEASURES OF OHIO AND MAZON 



CREEK, ILLINOIS 147-154 



XXI. THE MICROSAURIAN FAMILY SAUROPLEURID/E, FROM THE COAL MEASURES OF OHIO 155-170 



XXII. THE MICROSAURIAN FAMILY ICHTHYCANTHID;E, FROM THE COAL MEASURES OF OHIO 171-174 



XXIII. SUPPOSED MICROSAURIAN SPECIES OF UNCERTAIN RELATIONSHIP 175-177 



XXIV. THE TEMNOSPONDYLOUS AMPHIBIA FROM THE COAL MEASURES OF NORTH AMERICA 178-197 



XXV. THE STEREOSPONDYLOUS AMPHIBIA FROM THE COAL MEASURES OF NORTH AMERICA 198-201 



BIBLIOGRAPHY OF THE FOSSIL AMPHIBIA, WITH ESPECIAL REFERENCE TO THE AMPHIBIA FROM 



THE COAL MEASURES OF NORTH AMERICA 20.- j i ; 



AN INDEX TO THE BIBLIOGRAPHY OF FOSSIL AMPHIBIA 218-219 



INDEX 220-222 



vii 



