EXPLANATION OF PLATE III. 



Pyropsis (Eapa ?) CoBRiNA Whitf. (p. 45). 



Figs. 1-3. Three views of a specimeri showing the strong columellar fold in Fig. 1. 



Pykopsis (Kapa?) septemlirata Gabb (p. 44). 



4. A copy of Mr. Gabb's figure. 

 5, 6. Two figures of a specimen showing lirations and the columellar fold. From Mullica 



Hill, New Jersey. 

 7, 8. Views of a large distorted cast showing strong lirations and evidence of transverse costiB. 

 Acad. Nat. Sci., Phila. 



Perissolax dumia Gabb (p. 47). 



9. View of a large specimen from Professor Eeiley's collection. Holmdel, New Jersey. 

 10, 11. Two views of Mr. Gabb's type specimen. Acad. Nat. Sci., Phila. 



Pyropsis f obesa Whitf. (p. 40). 



12, 13. Two figures of the type specimen, Fig. 12 showing the columellar folds. Amer. Mus. Nat. 

 Hist., New York City. 



TURBXNELLA? VBKTICALIS Whitf. (p. 82). 



14, 15. Opposite views of the type specimen. 



ERIPACHYS ? PALUniNAPORMIS Whitf. (p. 77). 



16, 17. Two views of the specimen described. 

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