CONTENTS. 



Page. 



Prefatory Note iii 



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 6-8 



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^g 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 Hylonomid*, from the Coal Measures of Nova Scotia 78-84 



XIV. The Microsaurian Family Tuditanid*, from the Co.al Measures of Ohio and Pennsylvania 85-1 ii 

 XV. The Microsaurian Family Stegopid.«, from the Coal Measures of Ohio 112-114 



XVI. The Microsaurian Family Urocordvlid^, from the Coal Measures of Ohio 1 15-125 



XVII. The Microsaurian Family Amphibamid^c, from the Coal Measures of Mazon Creek, Illinois 126-134 



XVIII. The Microsaurian Family Nvraniid.«, from the Co.\l Measures of Ohio 135-138 



XIX. The Aistopodous Microsaurian Family Ptyoniid.*, 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 SAUROPLEURiOyE, from the Coal Measures of Ohio 155-170 



XXII. The Microsaurian Family Ichthycanthid.*, 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 202-217 



An Index to the Bibliography of Fossil Amphibia 218-219 



Index 220-222 



vii 



