PLATE XLIV. 



Page. 

 MORTONICERAS ? VERMILIONENSE M. & H 180 



Fig. 1. Side view of Ifhe type (after Meek). 



SCAPHITES LARV^FORMIS M. & H 182 



Fig. 2. Side view of the type specimen (after Meek). 



SCAPHITES VERMIFORMIS M. & H 183 



Fig. 3. Side view of the type (after Meek). 



SCAPHITES WARRENI M. & H 185 



Fig. 4. Side view of tlie type (after Meek). 



5. Side view of a specimen referred to Scajyhites wyomingcasis (after 



Whitfield). 



6. Side view of another example (after Whitfield). 



7. Septum of a large specimen, enlarged (after Whitfield). 



SCAPHITES VENTRICOSUS M. & H 186 



Fig. 8. Septum, enlarged (after Meek). 



9. Side view of the inner volutions (after Meek). 



10. Side view of a more perfect specimen from Cinnabar mountain, 



Montana. (See PI. xlv). 



Nat. Mus. Cat. Invert. Foss, 18817. 



2C0 



