PLATE XXXVI. 



Page. 



Baculites gracilis Shumard ? 166 



Nat. Mus. Cat. Invert, Foss., 22935. 

 Fig. 1. A long fragment showing the slender form. 



2. Septum of a small specimen, magnified. 



3. Fragment of a large example showing constrictions and undulations 



of the surface of the cast. 



Baculites asper Morton ? 167 



Fig. 4,5. Two views of a fragment showing the character of the nodes. 

 Nat. Mus. Cat, Invert. Foss., 22936. 



ACANTHOCERAS? KANABENSE Ii. Sp 181 



Nat. Mus. Cat. Invert. Foss., 22937. 

 Fig. 6. Side view of specimen, enlarged two diameters. 



7. Peripheral view of a large imperfect specimen. 



8. Septum of same, enlarged. 



264 



