Platyc. 



670 



Platyceras intermedium. Hall, Palasontology of New 



York, Vol. 3, 1859, wood- 

 cut fig. 5 ; from the Lower 

 Helderberg formation, in 

 New York.— VI. 



aff. 111. 



Platyceras latum, Keyes. Amer. Philos. Soc. Phila., Vol. 



XL _ /, XL // 



/IJ?SX/V 



25, No. 128, 1888, p. 242, fig. 10, 

 11, Suhcarioniferous limestone, 

 XL 



Platyceras lodiense, Meek, (Orthonyehia lodiensis), 



Proc. Acad. Nat. Sci- 

 Phila., 1871, Waverly.— 

 Pal. Ohio, Vol. 2, 1875, 

 p. 313, pL 13, fig. la, 5, 

 side and top views of a 

 Lower carh oniferous 

 {Waverly) shell, which 

 is not a true Platyceras,, 

 but in Meek's opinion more nearly allied to the Orthonychia 

 section of Platyceras than to the very difi'erently ornamented 

 Cyrtolites (type ornatus), Lodi, O. — Pocono. X. 



TLWh 



