136 



PALAEONTOLOGY OF ILLINOIS. 



Amphibamus grandiceps, (mag. 2 diam.) 



The ahove cut is given to illustrate more clearly some points of structure, not readily shown in a 

 shiuied engraving. It, however, represents he little scales of the right palpebra, above the marginal 

 row, too largo and too scattering. 



