53(5 



GEOLOGY OF OHIO. 



Cyrtoceras{[Glyl>ioce.ras^ Ea'onense (Clavpole) Foerste. Fig. I a, view Of one of the lateral 

 faces ; b, view of dorsb-lateral angle of the shell ; c, the surface character of the scars of the lat- 

 ter, slightly enlarged ; d, the dorsal' side, "scars" omitted, showing con torsion of specimen owing 

 to accidental crushing before fossilization, companion piece to "Orthoceras block" Huffman's 

 Quarry, O. Fig 2, type of Glyptodendron Eatonense, Claypolei referred to above species, Eaton, O. 

 Cyrioceras (Glyptoceras) Subcompressum, (Beecher), Foerste.' Fig 3, this is the opposite side 

 of fig 7 b of plate 32, and corresponds to b of Fig. 7 o on the same plate. 



