536 



GEOLOGY OF OHIO. 



Cyrtoceras [Glyploceras Ea'oneuse Clavpole) Foerste. Fig-. 1 a, view of one of the lateral 

 faces ; b, view of dorso-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 coutorsion of specimen owing 

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

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

 Cyrtoceras I Glyptoceras ) subcompress-um, ( Beecher , Foerste. Fig 3, this is the opposite side 

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



