EXPLANATION OF PLATE XXIX. 



Caricella pyruloides Conrad (p. 205). 



Figs. 1, 2. Two views of specimen of inediuin size. Collection of Am. Mus. Nat. Hist., New York 

 City. 

 3, 4. Similar views of another specimen, Fig. 3 showing imprints of the columellar folds. 



5. View of a small cast from the Am. Mus. Nat. Hist, collection, New York City, showing 



imprints of columellar folds. 



6. View of a shell from Claiborne, Alabama, for comparison. Am. Mus. Nat. Hist., New York 



City. 



Caricella ponderosa Whitf. (p. 206). 



7, 8. Lateral view showing columellar folds, and summit view of the specimen described. 

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