MOODIE

[PLATE 19]

Type specimen of Ctenerpeton alveolatum Cope, from the Coal Measures of Ohio. × 1.33. Original in U. S. National Museum.

MOODIE

[PLATE 20]

1. Skull of Erpetosaurus minutus Moodie, from the Cannelton slates of Pennsylvania. Original in U. S. National Museum. Enlarged × 3.3.

2. Skull and anterior part of body of Ptyonius pectinatus Cope, from the Coal Measures of Linton, Ohio. Original in U. S. National Museum. × 1.

3. Skeleton of Eosauravus copei Williston, from the Coal Measures of Linton. Ohio. "The oldest known reptile from North America" and closely related structurally to the Microsauria. Original in U. S. National Museum. × 1.