PLATE XXXIII. 



Page. 



Admetopsis subfusiformis Meek 159 



Fig. 1. Aperture view of a specimen from southern Utah referred to Admet- 

 opsis gr eg aria (after Meek.) 

 2. Similar view of an example from Coalville, Utah (after Meek). 



Admetopsis rhomboides Meek , 158 



Fig. 3. Aperture view of one of the types (after Meek). 



Admetopsis humerosa n. sp 160 



Fig. 4. Aperture view. 



Nat. Mus. Cat. Invert. Foss., 22925. 

 5. Dorsal view of another example. 



Cancellaria malachitensis n. sp 158 



Nat. Mus. Cat. Invert. Foss., 2292G. 

 Fig. 6. Aperture view of a large specimen. 



7. Dorsal view of a smaller specimen, enlarged. 



ROSTELLITES AMBIGUA U. Sp 156 



Fig. 8. Dorsal view of a specimen of average size. 



9. Aperture view of same showing folds on the columella. 

 Nat, Mus. Cat. Invert. Foss., 22927. 

 10. Aperture view of another specimen that is doubtfully referred to 

 this species. 



Nat. Mus. Cat. Invert. Foss., 22929. 



ROSTELLITES DALLI n. sp 156 



Fig. 11, 12. Two views of the best preserved type. The columellar folds are 

 not so strong as in E. ambigna and are not visible from the front 

 in unbroken specimens. 

 Nat. Mus. Cat. Invert, Foss., 22928. 

 13. Aperture view of a stouter individual. 



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