SOME NEW DEVONIC FOSSILS 185 



Platyceras hebes iiov. 



Shell conical, slightly oblique, apex blunt or minute, surface 

 expanding rapidly with a vertical slope on the posterior and a 

 more broadly curved slope on the anterior side ; lower part of the 

 cone obscurely plicated, aperture nearly round. 



This singular expression of Platyceras, noteworthy for its broad 

 blunt apex, is quite unusual if not altogether new to American 



Platyceras hebes 



faunas, but such a shell has been noticed by Oehlert in the Lower 

 Devonic of Augen and figured in the Bulletin de la Societe 

 Geologique de France, 1890, volume 17, plate 19, figure 4. 

 Lozver Devonic. Edmunds Hill, Chapman Plantation, Me. 



Platyceras kahlebergensis Beushausen 



Capulus kahlebergensis Beushausen. Abhandl. zur geolog. 

 Specialk. Preussen. 1884. pi. i, fig. 14 



There seems no doubt of identity in this case. The species is 

 a Platyceras with a Diaphorostomalike spire from which the body 



^ % 



Platyceras kahlebergensii 



whorl expands rapidly and carries a deep revolving sulcus on the 

 lower side. 



Lower Devonic. Edmunds Elill, Chapman Plantation, Me., and 

 in the Spiriferensandstein of the Hartz mountains at the Kahleberg. 



