CONTENTS. 



PAGE. 



Prefatory Note .... iii 



I 'n lace \ 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. . 6-8 



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 49-50 



IX. THE AMERICAN COAL MEASURES BRANCHIOSAURID.B. . 51-66 



X. THE ORDER CAUDATA.. . . 67-71 



XI. THE ORDER SALIENTIA "2-74 



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



XIII. THE MICROSAURIAN FAMILY HYLONOMID.*, FROM THE COAL MEASURES OF NOVA SCOTIA. . 78-84 



XIV. THE MICROSAURIAN FAMILY TUDITANID/E, FROM THE COAL MEASURES OF OHIO AND PEN \MI.VA MA 85-1 n 

 XV. THE MICROSAURIAN FAMILY STEGOPID/E, FROM THE COAL MEASURES OF OHIO. . M_?-II_| 



XVI. THE MICROSAURIAN FAMILY UROCORDYLID.E, FROM THE COAL MEASURES OF (>m . 113 i_^ 



XVII. THE MICROSAURIAN FAMILY AMPHIBAMID.*:, FROM THE COAL MEASURES OF MAZON CREEK, ILLINOIS 1.36-134 



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



XIX. THE AISTOPODOUS MICROSAURIAN FAMILY PTYONIID.E, FROM THE COAL MEASURES OF OHIO . i ^1-146 



XX. THE MICROSAURIAN FAMILY MOLGOPHID.-E, 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 ICHTHYCANTHIDJE, 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 STEREOSPONDYLOI s AMPHIBIA FROM THE COAL MEASURES OF NORTH AMERICA. . 198-201 



BIBLIOGRAPHY OF THE FOSSIL AMPHIBIA, WITH ESPECIAL REFERENCE TO THE AMPHIUU IUI.M 



THE COAL MEASURES OF NORTH AMERICA.... . 202-217 



AN INDEX TO THE BIBLIOGRAPHY OF FOSSIL AMPHIBIA 218-219 



INDEX .... 220-222 



vii 



