PLATE 2. 
Fic. 1—Drawing of the specimen of Hrierpeton branchialis Moodie. 
X38. 6, basibranchial; d, body impressions; h, hypohyal; m, mandible. 
Fic. 2—The arm skeleton of Erpetobrachium mazonensis Moodie. 
X 2. cl, clavicle; h, humerus; 7, radius; s, scapula; wu, ulna. 
Fic. 3.—Rib of Mazonerpeton costatum Moodie. X 4. (Yale Museum.) 
