EXPLANATION OF PLATE XCII. 



VOLUTODERM A ABBOTTI ( Gabb ) , p. 778 



1-2. Two lateral views of the type specimen. 

 Horizon and locality uncertain. 



VOLUTODERM A INTERMEDIA Whitfield. p. 779 



3. Lateral view of the type specimen. 



Manasqnan marl; near Vincentown. 



PlESTOCHILUS BELLA Gabb ?. '. p. 782 



4-5. Two lateral views of an internal cast, partially restored. 

 Wcnonah sand; Crawfords Corner, (126"). 



VOLUTOMORPHA CONRADI (Gabb). p. 780 



6-7. Two lateral views of the type specimen. 



Navcsink marl; Crosswicks Creek. 



1068 



