500 CRETACEOUS PALEONTOEOGY. 



scabra, but the costse are always finer than in that species, and 

 the shells do not grow to so large a size. In the perforated 

 lower valve, however, these shells possess the essential feature of 

 the genus Anomia. 



Formation and locality. — Merchantville clay-marl, near Mat- 

 awan (loi), Lenola (163) ; Woodbury clay, Eorillard (102). 



Geographic distribution. — New Jersey. 



Genus Paranomia Conrad. 



Paranomia scabra (Morton). 



Plate LIL, Figs. 10-13. 



1834. Placuna scabra Mort., Synop. Org. Rem. Cret. Gr. U- 



S., p. 62. 

 i860. Paranomia saffordi Con., Jour. Acad. Nat. Sci. Phil., 2d 



ser., vol. 4, p. 290, pi. 46, fig. 21. 



1 860. Placvmanomia lineata Con., Jour. Acad. Nat. Sci. Phil.,. 



2d ser., vol. 4, p. 291, pi. 46, fig. 20. 

 i860. Placwnanomia lineata Gabb, Jour. Acad. Nat. Sci. Phil.,, 

 2d ser., vol. 4, p. 291. 



1 86 1. Placunanomia lineata Gabb, Synop. Moll. Cret. Form.,, 



p. 223 (167). 

 1861. Placunanomia saffordi Gabb, Synop. Moll. Cret. Form., 



p. 223 (167). 

 1861. Placunanomia scabra Gabb, Synop. Moll. Cret. Form., 



p. 223 (167). 

 1864. Placunoviia lineata Meek, Check List Inv. Foss. N. A.,, 



Cret. and Jur., p. 6. 

 1864. Placunoinia saffordi Meek, Check List Inv. Fobs. N. A.,. 



Cret. and Jur., p. 6. 

 1864. Placunoinia. scabra Meek, Check List Inv. Foss. N. A.,. 



Cret. and Jur., p. 6. 

 1867. Paranomia lineata Cbn., Am. Jour. Conch, vol. 3, p. 8. 



1867. Paranomia scabra Con., Am. Jour. Conch., vol. 3, p. 8. 



1868. Paranomia scabra Con., Cook's Geol. N. J., p. 724. 

 1886. Paranomia scabra Whitf., Pal. N. J., vol. i (Monog. 



U. S. G. S., vol. 9), p. 44, pi. 10, fig. 10. 



