EXPLANATION OF PLATE VIL. 
VOLUTOMORPHA CONRAD! Gabb. (p.71). 
Fics. 1. View of the type of the species. Acad. Nat. Sci., Phila. See also Pl. vi. 
2,3. Profile and back view of a larger cast from Mr. M. E. Schenck’s pits, New J ersey. 
4,5. Two views of a cast showing imprints of surface markiugs, referred doubttully to this 
species. Acad. Nat. Sci., Phila. | 
VOLUTOMORPHA GABBI Whitf. (p. 73). 
6. View of a cast showing surface features, but showing the different form of volution from 
that of V. Conradi. Holmdel, New Jersey. 
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