NAPLES FAUNA IN WESTERN NEW YORK, PART 2 413 



9 A left valve of more nearly normal outline. X5 



Naples subprovince Rock Stream 



10 A left valve enlarged. [Copy from Pal. N. Y. v. 5, pt 1, pi. 70, 



fig. 10.] 



Genesee valley Cashaqua creek 



Genus praecakdium Barrande 



Page 305 



Praecardium vetustum Hall 



Page 306 



1 1 A right valve showing the oblique form and distant flat ribs 



12 A left valve with the posterior portion flattened and hence 



showing more ribs 



Chautauqua subprovince Correll's point, Lake Erie 



13 A normal left valve with flat ribs, broad flat intervals and fine 



concentric striae, xi.5 



Chautauqua subprovince Smith's Mills 



14 Another left valve. X2 



Chautauqua subprovince Forestville 



15 A left valve. [Copy from Pal. N. Y. v. 5, pt 1, pi. 70, fig. 19] 



Chautauqua subprovince Shore of Lake Erie 



16, 17 Two views of an internal cast showing the smooth area beneath 

 the beak. X2 



18 Squeeze of exterior of the cardinal area showing an elongate 



ligament surface. X3 



Chautauqua subprovince Forestville 



19 A left valve. Natural size 



Chautauqua subprovince Correll's point, Lake Erie 



Praecardium melletes sp. nov. 



Page 307 



20 A left valve showing the sparse and distant ribs. X2 



From the sandstone with Chemung brachiopods lying above 

 the Portage beds, in Terry's ravine, Forestville 



