39<3 NEW YORK STATE MUSEUM 



Lunulicardium sp. nov. 



Page 245 



21 A right valve of orbicular form, long, oblique and straight 



sical margin, fine concentric striae and marginal traces of 



plications 



Naples subprovince Seneca point, Canandaigua lake 



Lunulicardium sodale sp. nov. 



Page 238 



22 A left valve with elongate form and relatively coarse 



plications. \2 



Naples subprovince Naples 



Lunulicardium pilosum sp. nov. 



[See pi. 4I 

 Page 239 



23 A left valve enlarged to show the extremely fine radial 



lines. x2 



Naples subprovince Naples 



24 A right valve showing the curved sical margin and usual out- 



line. X2 



Naples subprovince Parrish gully, Naples 



