Hylerpeton dawsoni Owen. Above: Mandible, teeth, rib, and bones of anterior extremity. 

 Below: Bones of pelvis and posterior limb and bony scales. Nearly natural size. Erect 

 tree, Coal formation. South Joggins, Nova Scotia. Photograph by Daw.son, published 

 through the courtesy of Dr. Arthur Willey. Original specimens in Peter Redpath Museum 

 of McGill University. 



