The American Geologist, Vol. XV. 
Plate II. 
Jlead c/ C/ao/eJus Ciarii, CUvp-U left JiJe cufir nm. 
Jliffhl pecforal Tin ef C/ac^oJi/s f/ar/i. 
Cia^pcle 
CLADODUS CLARKI. 
