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 ILLUSTRATIONS. PLATES. PAGE. 1. Views along Mazon Creek, Illinois 12 2. Drawing of type specimen of Micrerpeton caudatum Moodie, from the Coal Measures of Mazon Creek 52 3. Specimens of Eumicrerpeton parvum, Erpetobrachium mazonensis, Erierpeton branchialis, Mazonerpeton longicaudatum, and Amphibamus grandiceps 58 4. (1 and 2) Vertebræ of Spondylerpeton spinatum Moodie. (3) Type specimen of Mazonerpeton costatum Moodie. (4) Type skeleton of Cephalerpeton ventriarmatum Moodie. (5 and 6) The halves of the nodule containing a practically complete skeleton of Amphibamus grandiceps Cope 60 5. (1) A reconstruction of the Coal Measures branchiosaurian, Eumicrerpeton parvum Moodie, a small primitive salamander 64 (2) A restoration of the branchiosaurian, Mazonerpeton, based on two specimens 64 6. Dendrerpeton acadianum Owen. Mandibles, parts of anterior extremities, humerus, etc. 68 7. Hylerpeton dawsoni Owen. Mandible, teeth, rib, and bones of anterior extremity. Bones of pelvis and posterior limb and bony scales 72 8. Fritschia curtidentata Dawson. Bones of skull and anterior extremity, bony rods of belly, of pelvis, and posterior extremity 76 9. Hylonomus lyelli Dawson. (1) maxillæ and skull bones; (1_a_) sternal bones; (2) mandible; (3) humerus, ribs, and vertebræ; (4) posterior limb; (5) pelvis; (6) caudal vertebræ 78 10. Hylonomus latidens Dawson. Skull, portion of skeleton, foot, scapular, and sternal bones, humerus and rib, believed to belong to this species. Erect tree, Coal formation, of Nova Scotia 80 11. Hylerpeton longidentatum Dawson. Mandible and other bones. Erect tree, Coal formation 82 12. Smilerpeton aciedentatum Dawson. Mandible, portions of skull, scales, and various bones. Erect tree, Coal formation 82